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1 Dec 2009 Our findings suggest that PNAS “Contributed" papers, in which NAS–member authors select their own reviewers, balance an overall lower impact with .. One additional factor which may influence citation counts is whether a given paper was highlighted in a PNAS press release. Supporting Information
5 Dec 2013 IMPACT FACTOR. Title, Year: Factor. General Journals. Nature, 2012: 38,597 | 2011: 36,28 | 2010: 36,104 | 2009: 34,48 | 2008: 31,434 | 2007: 28,751 PNAS (Proc. Nat. Acad. Sciences, USA), 2012: 9,737 | 2011: 9,681 | 2010: 9,771 | 2009: 9,432 | 2008: 9,38 | 2007: 9,598 | 2006: 9,643 | 2005: 10,231
1 Sep 2017 Findings: Nature and Science mainly publish Editorial Material, Article, News Item and Letter, whereas the publications of PNAS are heavily concentrated on Article. Critical comments on Institute for Scientific Information impact factors: a sample of inorganic molecular chemistry journals. Journal of
Eigenfactor of 1.6 (2011). • 5-year impact factor of 10.5. • Total circulation of more than 5,000. • Subscribers in more than 60 countries. • Free online in more than 130 developing countries. • Over 86 million articles accessed online in 2011. • Over 21 million PDFs downloaded in 2011. Readership. General Information
Journal of the American Society for Information Science and Technology (in press) their respective impact factors (IF), but the journal with the lower IF has the higher 17, 2011. ) >. JASIST. MIS Quart sum. Figure 1: Citation curves for JASIST (n = 375 publications) and MIS Quarterly (n = 66). Figure 1 shows the citation
PNAS Magazine Section and Blog. PNAS has started publishing new sections including News Features, Inner Workings, Opinions, Core Concepts, and Science and Culture. Plus, in the newly launched Journal Club blog, we highlight recent papers selected by Academy members.
30 Jun 2015 Eugene Garfield, founder of the Institute for Scientific Information, which later became part of Thomson Reuters, introduced the concept of journal impact factors. Originally conceived to help guide librarians' decisions regarding journal subscriptions, this metric has long since been used to rank-order
Proceedings of the National Academy of Sciences of the United States of America (PNAS) is the official scientific journal of the National Academy of Sciences, published since 1915. With broad coverage, spanning the biological, physical, and social sciences, the journal publishes original research alongside scientific
30 Jun 2015 We recommend. Happy 100th Birthday, PNAS. Inder M. Verma et al., Proc Natl Acad Sci U S A . Impacting our young. Eve Marder et al., Proc Natl Acad Sci U S A . The most influential journals: Impact Factor and Eigenfactor. Alan Fersht, Proc Natl Acad
2 May 2013 The “elite" journals in the sample had to be considered as “prestigious" to have had a high Impact Factor in 2011, not be review journals, publish a high number of articles every year and exist for at least several decades. They chose three multidisciplinary journals: Science, Nature, PNAS (included for its
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