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@article{zitt2,
	Author = {Zitt, M},
	Date-Added = {2012-07-12 13:01:41 +0200},
	Date-Modified = {2012-07-12 13:02:20 +0200},
	Journal = {Informetrics},
	Number = {3},
	Pages = {392-406},
	Title = {Citing-side normalization of journal impact: A robust variant of the Audience Factor.},
	Volume = {4},
	Year = {2010}}

@article{glanzel,
	Author = {Gl{\"a}nzel, W. and Thijs, B. and Schlemmer, B.},
	Date-Added = {2012-07-12 13:00:16 +0200},
	Date-Modified = {2012-07-12 13:01:09 +0200},
	Journal = {Scientometrics},
	Number = {1},
	Pages = {63-77},
	Title = {A bibliometric approach to the role of author self-citations in scientific communication},
	Volume = {59},
	Year = {2004}}

@article{egghes,
	Author = {Leo Egghe},
	Date-Added = {2012-07-04 16:58:06 +0200},
	Date-Modified = {2012-07-04 16:58:20 +0200},
	Journal = {ARIST},
	Number = {1},
	Pages = {65-114},
	Title = {The Hirsch index and related impact measures},
	Volume = {44},
	Year = {2010}}

@article{orcid,
	Author = {Editorial},
	Date-Added = {2012-04-18 12:10:10 -0400},
	Date-Modified = {2012-09-05 13:15:13 -0400},
	Doi = {10.1038/462825a},
	Issn = {1476-4687},
	Journal = {Nature},
	Month = {12/2009},
	Pages = {825 - 825},
	Title = {Credit where credit is due},
	Volume = {462},
	Year = {2009},
	Bdsk-Url-1 = {http://dx.doi.org/10.1038/462825a}}

@incollection{desollaprice79,
	Address = {White Plains, N.Y.},
	Author = {de Solla Price, Derek J.},
	Booktitle = {Key Papers in Information Science},
	Date-Added = {2012-04-16 13:39:14 -0400},
	Date-Modified = {2012-04-16 13:46:59 -0400},
	Editor = {B.C. Griffith},
	Publisher = {Knowledge Industry Publications},
	Year = {1980}}

@article{Nicolaisen,
	Author = {Nicolaisen, Jeppe},
	Date-Added = {2012-04-13 18:34:51 -0400},
	Date-Modified = {2012-04-18 14:34:38 -0400},
	Journal = {Ann Rev Inf Sci Technol},
	Pages = {609},
	Title = {Citation analysis},
	Volume = {41},
	Year = {2007}}

@article{kurtz05a,
	Author = {{Kurtz}, M.~J. and {Eichhorn}, G. and {Accomazzi}, A. and {Grant}, C.~S. and {Demleitner}, M. and {Murray}, S.~S.},
	Date-Added = {2012-04-13 18:34:51 -0400},
	Date-Modified = {2012-04-18 14:33:43 -0400},
	Journal = {J Am Soc Inf Sci Technol},
	Pages = {36},
	Title = {{Worldwide Use and Impact of the NASA Astrophysics Data System Digital Library}},
	Volume = 56,
	Year = 2005}

@article{kurtz05b,
	Author = {{Kurtz}, M.~J. and {Eichhorn}, G. and {Accomazzi}, A. and {Grant}, C.~S. and {Demleitner}, M. and {Murray}, S.~S. and {Martimbeau}, N. and {Elwell}, B.},
	Date-Added = {2012-04-13 18:34:51 -0400},
	Date-Modified = {2012-04-18 14:33:52 -0400},
	Journal = {J Am Soc Inf Sci Technol},
	Pages = {111},
	Title = {{The Bibliometric Properties of Article Readership Information}},
	Volume = 56,
	Year = 2005,
	Bdsk-Url-1 = {http://dx.doi.org/10.1002/asi.20096}}

@article{Schulman1997,
	Author = {{Schulman}, E. and {French}, J.~C. and {Powell}, A.~L. and {Eichhorn}, G. and {Kurtz}, M.~J. and {Murray}, S.~S.},
	Date-Added = {2012-04-13 18:34:51 -0400},
	Date-Modified = {2012-04-14 18:06:56 -0400},
	Doi = {10.1086/134008},
	Journal = {PASP},
	Month = nov,
	Pages = {1278-1284},
	Title = {{Trends in Astronomical Publication Between 1975 and 1996}},
	Volume = 109,
	Year = 1997,
	Bdsk-Url-1 = {http://dx.doi.org/10.1086/134008}}

@article{2010ARIST..44....3K,
	Author = {{Kurtz}, M.~J. and {Bollen}, J.},
	Date-Added = {2012-04-13 18:34:51 -0400},
	Date-Modified = {2012-04-14 17:46:52 -0400},
	Journal = {Ann Rev Inf Sci Technol},
	Title = {{Usage Bibliometrics}},
	Volume = 44,
	Year = 2010}

@misc{Henneken2011,
	Author = {{Henneken}, E.~A. and {Kurtz}, M.~J. and {Accomazzi}, A.},
	Date-Added = {2012-04-13 18:34:51 -0400},
	Date-Modified = {2012-04-14 17:51:15 -0400},
	Journal = {ArXiv e-prints},
	Note = {arXiv:1106.5644},
	Title = {{The ADS in the Information Age - Impact on Discovery}},
	Year = 2011}

@article{Spruit,
	Author = {{Spruit}, H.~C.},
	Date-Added = {2012-03-30 16:19:48 -0400},
	Date-Modified = {2012-04-14 17:50:36 -0400},
	Journal = {ArXiv e-prints},
	Note = {arXiv:1201.5476},
	Title = {{The relative significance of the H-index}},
	Year = 2012}

@techreport{nsf,
	Date-Added = {2012-03-30 16:17:31 -0400},
	Date-Modified = {2012-04-14 17:54:11 -0400},
	Institution = {{National Science Foundation}},
	Title = {{National Science Board Science and Engineering Indicators}},
	Year = {2012}}

@article{moed,
	Author = {Henk F. Moed},
	Date-Added = {2012-03-30 16:13:25 -0400},
	Date-Modified = {2012-03-30 16:13:30 -0400},
	Doi = {10.1016/j.joi.2010.01.002},
	Issn = {1751-1577},
	Journal = {Journal of Informetrics},
	Keywords = {Source normalization},
	Number = {3},
	Pages = {265 - 277},
	Title = {Measuring contextual citation impact of scientific journals},
	Url = {http://www.sciencedirect.com/science/article/pii/S1751157710000039},
	Volume = {4},
	Year = {2010},
	Bdsk-Url-1 = {http://www.sciencedirect.com/science/article/pii/S1751157710000039},
	Bdsk-Url-2 = {http://dx.doi.org/10.1016/j.joi.2010.01.002}}

@article{leydes,
	Author = {Leydesdorff, Loet and Shin, Jung C.},
	Date-Added = {2012-03-30 16:11:46 -0400},
	Date-Modified = {2012-04-14 17:45:13 -0400},
	Doi = {10.1002/asi.21511},
	Issn = {1532-2890},
	Journal = {J Am Soc Inf Sci Technol},
	Number = {6},
	Pages = {1146--1155},
	Publisher = {Wiley Subscription Services, Inc., A Wiley Company},
	Title = {How to evaluate universities in terms of their relative citation impacts: Fractional counting of citations and the normalization of differences among disciplines},
	Url = {http://dx.doi.org/10.1002/asi.21511},
	Volume = {62},
	Year = {2011},
	Bdsk-Url-1 = {http://dx.doi.org/10.1002/asi.21511}}

@article{zitt,
	Author = {Michel Zitt},
	Bibsource = {DBLP, http://dblp.uni-trier.de},
	Date-Added = {2012-03-30 16:10:09 -0400},
	Date-Modified = {2012-03-30 16:10:13 -0400},
	Ee = {http://dx.doi.org/10.1007/s11192-011-0441-7},
	Journal = {Scientometrics},
	Number = {1},
	Pages = {329-344},
	Title = {Behind citing-side normalization of citations: some properties of the journal impact factor},
	Volume = {89},
	Year = {2011}}

@article{west,
	Abstract = {Limited time and budgets have created a legitimate need for quantitative measures of scholarly work. The well-known journal impact factor is the leading measure of this sort; here we describe an alternative approach based on the full structure of the scholarly citation network. The Eigenfactor {Metrics---Eigenfactor} Score and Article Influence Score---use an iterative ranking scheme similar to Google's {PageRank} algorithm. By this approach, citations from top journals are weighted more heavily than citations from lower-tier publications. Here we describe these metrics and the rankings that they provide.},
	Author = {West, Jevin D. and Bergstrom, Theodore C. and Bergstrom, Carl T.},
	Citeulike-Article-Id = {7271128},
	Citeulike-Linkout-0 = {http://crl.acrl.org/cgi/content/abstract/71/3/236},
	Date-Added = {2012-03-30 16:09:25 -0400},
	Date-Modified = {2012-03-30 16:09:30 -0400},
	Journal = {College \& Research Libraries},
	Month = may,
	Number = {3},
	Pages = {236--244},
	Posted-At = {2011-03-16 02:44:23},
	Priority = {2},
	Title = {The Eigenfactor {MetricsTM}: A Network Approach to Assessing Scholarly Journals},
	Url = {http://crl.acrl.org/cgi/content/abstract/71/3/236},
	Volume = {71},
	Year = {2010},
	Bdsk-Url-1 = {http://crl.acrl.org/cgi/content/abstract/71/3/236}}

@article{pinskin76,
	Author = {Pinski, G. and Narin, F.},
	Date-Added = {2012-03-30 16:07:53 -0400},
	Date-Modified = {2012-04-14 18:06:38 -0400},
	Journal = {{Information Processing and Management}},
	Pages = {297-312},
	Title = {Citation influence for journal aggregates of scientific publications: {T}heory, with application to the literature of physics},
	Volume = 12,
	Year = 1976}

@article{Garfield55,
	Author = {Garfield, Eugene},
	Date-Added = {2012-03-30 16:06:12 -0400},
	Date-Modified = {2012-04-14 18:05:52 -0400},
	Eprint = {http://www.sciencemag.org/content/122/3159/108.full.pdf},
	Journal = {Science},
	Number = {3159},
	Pages = {108-111},
	Title = {Citation Indexes for Science: A New Dimension in Documentation through Association of Ideas},
	Url = {http://www.sciencemag.org/content/122/3159/108.short},
	Volume = {122},
	Year = {1955},
	Bdsk-Url-1 = {http://www.sciencemag.org/content/122/3159/108.short},
	Bdsk-Url-2 = {http://dx.doi.org/10.1126/science.122.3159.108}}

@article{merton,
	Abstract = {This account of the Matthew effect is another small exercise in the psychosociological analysis of the workings of science as a social institution. The initial problem is transformed by a shift in theoretical perspective. As originally identified, the Matthew effect was construed in terms of enhancement of the position of already eminent scientists who are given disproportionate credit in cases of collaboration or of independent multiple discoveries. Its significance was thus confined to its implications for the reward system of science. By shifting the angle of vision, we note other possible kinds of consequences, this time for the communication system of science. The Matthew effect may serve to heighten the visibility of contributions to science by scientists of acknowledged standing and to reduce the visibility of contributions by authors who are less well known. We examine the psychosocial conditions and mechanisms underlying this effect and find a correlation between the redundancy function of multiple discoveries and the focalizing function of eminent men of science---a function which is reinforced by the great value these men place upon finding basic problems and by their self-assurance. This self-assurance, which is partly inherent, partly the result of experiences and associations in creative scientific environments, and partly a result of later social validation of their position, encourages them to search out risky but important problems and to highlight the results of their inquiry. A macrosocial version of the Matthew principle is apparently involved in those processes of social selection that currently lead to the concentration of scientific resources and talent (50).},
	Author = {Merton, Robert K.},
	Date-Added = {2012-03-30 16:04:51 -0400},
	Date-Modified = {2012-05-11 11:19:22 -0400},
	Eprint = {http://www.sciencemag.org/content/159/3810/56.full.pdf},
	Journal = {Science},
	Number = {3810},
	Title = {{The Matthew Effect in Science}},
	Url = {http://www.sciencemag.org/content/159/3810/56.abstract},
	Volume = {159},
	Year = {1968},
	Bdsk-Url-1 = {http://www.sciencemag.org/content/159/3810/56.abstract},
	Bdsk-Url-2 = {http://dx.doi.org/10.1126/science.159.3810.56}}

@book{price1963,
	Address = {New York},
	Author = {de Solla Price, Derek J.},
	Date-Added = {2012-03-30 16:03:36 -0400},
	Date-Modified = {2012-04-14 17:42:13 -0400},
	Publisher = {Columbia University Press},
	Title = {Little science, big science.},
	Year = 1963}

@book{bernal,
	Author = {Bernal, J. D.},
	Date-Added = {2012-03-30 15:59:45 -0400},
	Date-Modified = {2012-04-14 18:05:43 -0400},
	Publisher = {New York, The Macmillan company},
	Title = {The social function of science},
	Year = {1939},
	Bdsk-Url-1 = {http://hdl.handle.net/2027/uc1.b4503121}}

@article{desollaprice,
	Author = {de Solla Price, D. J.},
	Citeulike-Article-Id = {263059},
	Date-Added = {2012-03-30 15:58:10 -0400},
	Date-Modified = {2012-04-18 14:34:09 -0400},
	Day = {30},
	Journal = {Science},
	Month = jul,
	Pages = {510},
	Priority = {2},
	Title = {Networks of Scientific Papers},
	Volume = {149},
	Year = {1965}}

@article{garfield,
	Author = {Garfield, Eugene},
	Date-Added = {2012-03-30 15:50:55 -0400},
	Date-Modified = {2012-03-30 15:51:01 -0400},
	Doi = {10.1126/science.178.4060.471},
	Eprint = {http://www.sciencemag.org/content/178/4060/471.full.pdf},
	Journal = {Science},
	Number = {4060},
	Pages = {471-479},
	Title = {Citation Analysis as a Tool in Journal Evaluation},
	Url = {http://www.sciencemag.org/content/178/4060/471.short},
	Volume = {178},
	Year = {1972},
	Bdsk-Url-1 = {http://www.sciencemag.org/content/178/4060/471.short},
	Bdsk-Url-2 = {http://dx.doi.org/10.1126/science.178.4060.471}}

@article{bonitz,
	Author = {Bonitz, M},
	Date-Added = {2012-03-30 15:48:24 -0400},
	Date-Modified = {2012-03-30 15:49:39 -0400},
	Journal = {Libri},
	Number = {4},
	Pages = {206-213},
	Title = {The scientific talents of nations},
	Volume = {47},
	Year = {1997}}

@article{blustin,
	Author = {Blustin, Alexander},
	Date-Added = {2012-03-30 15:43:41 -0400},
	Date-Modified = {2012-04-14 18:08:04 -0400},
	Issn = {1468-4004},
	Journal = {Astronomy & Geophysics},
	Number = {6},
	Pages = {6.32--6.35},
	Title = {Publication and citation statistics for UK astronomers},
	Url = {http://dx.doi.org/10.1111/j.1468-4004.2007.48632.x},
	Volume = {48},
	Year = {2007},
	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1468-4004.2007.48632.x}}

@article{meylan,
	Author = {{Meylan}, G. and {Madrid}, J.~P. and {Macchetto}, D.},
	Date-Added = {2012-03-30 15:41:21 -0400},
	Date-Modified = {2012-04-14 17:49:59 -0400},
	Journal = {PASP},
	Title = {{Hubble Space Telescope Science Metrics}},
	Volume = 116,
	Year = 2004,
	Bdsk-Url-1 = {http://dx.doi.org/10.1086/423227}}

@article{trimble,
	Author = {Trimble, V. and Ceja, J.A.},
	Date-Added = {2012-03-30 15:38:16 -0400},
	Date-Modified = {2012-04-14 18:08:13 -0400},
	Doi = {10.1002/asna.200810999},
	Issn = {1521-3994},
	Journal = {Astronomische Nachrichten},
	Keywords = {publications, bibliography, telescopes},
	Number = {6},
	Pages = {632--647},
	Title = {Productivity and impact of astronomical facilities: Three years of publications and citation rates},
	Url = {http://dx.doi.org/10.1002/asna.200810999},
	Volume = {329},
	Year = {2008},
	Bdsk-Url-1 = {http://dx.doi.org/10.1002/asna.200810999}}

@article{king,
	Adsnote = {Provided by the SAO/NASA Astrophysics Data System},
	Adsurl = {http://adsabs.harvard.edu/abs/2004Natur.430..311K},
	Author = {{King}, D.~A.},
	Date-Added = {2012-03-30 15:36:08 -0400},
	Date-Modified = {2012-03-30 15:36:17 -0400},
	Doi = {10.1038/430311a},
	Journal = {Nature},
	Month = jul,
	Pages = {311-316},
	Title = {{The scientific impact of nations}},
	Volume = 430,
	Year = 2004,
	Bdsk-Url-1 = {http://dx.doi.org/10.1038/430311a}}

@article{may,
	Author = {May, Robert M.},
	Date-Added = {2012-03-30 15:34:11 -0400},
	Date-Modified = {2012-03-30 15:34:15 -0400},
	Doi = {10.1126/science.275.5301.793},
	Journal = {Science},
	Number = {5301},
	Pages = {793-796},
	Title = {The Scientific Wealth of Nations},
	Url = {http://www.sciencemag.org/content/275/5301/793.short},
	Volume = {275},
	Year = {1997},
	Bdsk-Url-1 = {http://www.sciencemag.org/content/275/5301/793.short},
	Bdsk-Url-2 = {http://dx.doi.org/10.1126/science.275.5301.793}}

@article{Wuchty,
	Abstract = {We have used 19.9 million papers over 5 decades and 2.1 million patents to demonstrate that teams increasingly dominate solo authors in the production of knowledge. Research is increasingly done in teams across nearly all fields. Teams typically produce more frequently cited research than individuals do, and this advantage has been increasing over time. Teams now also produce the exceptionally high-impact research, even where that distinction was once the domain of solo authors. These results are detailed for sciences and engineering, social sciences, arts and humanities, and patents, suggesting that the process of knowledge creation has fundamentally changed.},
	Author = {Wuchty, Stefan and Jones, Benjamin F. and Uzzi, Brian},
	Date-Added = {2011-12-09 14:40:52 -0500},
	Date-Modified = {2011-12-09 14:41:00 -0500},
	Doi = {10.1126/science.1136099},
	Eprint = {http://www.sciencemag.org/content/316/5827/1036.full.pdf},
	Journal = {Science},
	Number = {5827},
	Pages = {1036-1039},
	Title = {The Increasing Dominance of Teams in Production of Knowledge},
	Url = {http://www.sciencemag.org/content/316/5827/1036.abstract},
	Volume = {316},
	Year = {2007},
	Bdsk-Url-1 = {http://www.sciencemag.org/content/316/5827/1036.abstract},
	Bdsk-Url-2 = {http://dx.doi.org/10.1126/science.1136099}}

@article{batista,
	Author = {Batista, Pablo D. and Campiteli, M{\^o}nica G. and Kinouchi, Osame},
	Date-Added = {2011-12-01 12:29:27 -0500},
	Date-Modified = {2012-04-14 18:07:31 -0400},
	Journal = {Scientometrics},
	Pages = {179-189},
	Title = {Is it possible to compare researchers with different scientific interests?},
	Url = {http://dx.doi.org/10.1007/s11192-006-0090-4},
	Volume = {68},
	Year = {2006},
	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s11192-006-0090-4}}

@article{gindex,
	Author = {Egghe, Leo},
	Date-Added = {2011-12-01 12:19:10 -0500},
	Date-Modified = {2012-04-14 18:07:41 -0400},
	Issn = {0138-9130},
	Issue = {1},
	Journal = {Scientometrics},
	Keyword = {Computer Science},
	Note = {10.1007/s11192-006-0144-7},
	Pages = {131-152},
	Title = {Theory and practise of the g-index},
	Url = {http://dx.doi.org/10.1007/s11192-006-0144-7},
	Volume = {69},
	Year = {2006},
	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s11192-006-0144-7}}

@article{Lehmann:2006fk,
	Author = {Lehmann, Sune and Jackson, Andrew D. and Lautrup, Benny E.},
	Date-Added = {2011-12-01 12:14:12 -0500},
	Date-Modified = {2012-05-11 11:19:04 -0400},
	Journal = {Nature},
	Month = {12},
	Number = {7122},
	Pages = {1003--1004},
	Title = {Measures for measures},
	Volume = {444},
	Year = {2006},
	Bdsk-Url-1 = {http://dx.doi.org/10.1038/4441003a}}

@article{radicchi,
	Abstract = {We study the distributions of citations received by a single publication within several disciplines, spanning broad areas of science. We show that the probability that an article is cited c times has large variations between different disciplines, but all distributions are rescaled on a universal curve when the relative indicator cf = c/c0 is considered, where c0 is the average number of citations per article for the discipline. In addition we show that the same universal behavior occurs when citation distributions of articles published in the same field, but in different years, are compared. These findings provide a strong validation of cf as an unbiased indicator for citation performance across disciplines and years. Based on this indicator, we introduce a generalization of the h index suitable for comparing scientists working in different fields.},
	Author = {Radicchi, Filippo and Fortunato, Santo and Castellano, Claudio},
	Date-Added = {2011-12-01 12:10:54 -0500},
	Date-Modified = {2012-04-14 17:41:29 -0400},
	Doi = {10.1073/pnas.0806977105},
	Eprint = {http://www.pnas.org/content/105/45/17268.full.pdf+html},
	Journal = {Proc. Natl. Acad. Sci. U.S.A.},
	Number = {45},
	Pages = {17268-17272},
	Title = {Universality of citation distributions: Toward an objective measure of scientific impact},
	Url = {http://www.pnas.org/content/105/45/17268.abstract},
	Volume = {105},
	Year = {2008},
	Bdsk-Url-1 = {http://www.pnas.org/content/105/45/17268.abstract},
	Bdsk-Url-2 = {http://dx.doi.org/10.1073/pnas.0806977105}}

@article{inconsistency,
	Author = {Waltman, Ludo and van Eck, Nees Jan},
	Date-Added = {2011-12-01 11:38:47 -0500},
	Date-Modified = {2012-07-04 16:51:34 +0200},
	Journal = {J Am Soc Inf Sci Technol},
	Number = {2},
	Pages = {406-415},
	Title = {The inconsistency of the h-index},
	Volume = {63},
	Year = {2011},
	Bdsk-Url-1 = {http://dx.doi.org/10.1002/asi.21678}}

@article{eindex,
	Abstract = {<sec>
<title>Background</title>
<p>The <italic>h</italic>-index has already been used by major citation databases to evaluate the academic performance of individual scientists. Although effective and simple, the <italic>h</italic>-index suffers from some drawbacks that limit its use in accurately and fairly comparing the scientific output of different researchers. These drawbacks include information loss and low resolution: the former refers to the fact that in addition to <italic>h</italic><sup>2</sup> citations for papers in the <italic>h</italic>-core, excess citations are completely ignored, whereas the latter means that it is common for a group of researchers to have an identical <italic>h</italic>-index.</p>
</sec><sec>
<title>Methodology/Principal Findings</title>
<p>To solve these problems, I here propose the <italic>e</italic>-index, where <italic>e</italic><sup>2</sup> represents the ignored excess citations, in addition to the <italic>h</italic><sup>2</sup> citations for <italic>h</italic>-core papers. Citation information can be completely depicted by using the <italic>h</italic>-index together with the <italic>e</italic>-index, which are independent of each other. Some other <italic>h</italic>-type indices, such as <italic>a</italic> and <italic>R</italic>, are <italic>h</italic>-dependent, have information redundancy with <italic>h</italic>, and therefore, when used together with <italic>h</italic>, mask the real differences in excess citations of different researchers.</p>
</sec><sec>
<title>Conclusions/Significance</title>
<p>Although simple, the <italic>e</italic>-index is a necessary <italic>h</italic>-index complement, especially for evaluating highly cited scientists or for precisely comparing the scientific output of a group of scientists having an identical <italic>h</italic>-index.</p>
</sec>},
	Author = {Zhang, Chun-Ting},
	Date-Added = {2011-12-01 11:37:39 -0500},
	Date-Modified = {2012-04-14 17:45:22 -0400},
	Doi = {10.1371/journal.pone.0005429},
	Journal = {{PLoS ONE}},
	Month = {05},
	Number = {5},
	Pages = {e5429},
	Publisher = {Public Library of Science},
	Title = {The e-Index, Complementing the h-Index for Excess Citations},
	Volume = {4},
	Year = {2009},
	Bdsk-Url-1 = {http://dx.doi.org/10.1371/journal.pone.0005429}}

@article{hindex,
	Author = {J. E. Hirsch},
	Date-Modified = {2012-04-14 17:41:20 -0400},
	Journal = {Proc. Natl. Acad. Sci. U.S.A.},
	Number = {46},
	Pages = {16569--16572},
	Title = {An index to quantify an individual's scientific research output},
	Volume = {102},
	Year = {2005}}
