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Kramer, J.: Zur Revision der Fächersystematiken (2015)
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Moed, H.F.: ¬The effect of "open access" on citation impact : an analysis of ArXiv's condensed matter section (2007)
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Collins, H.M.; Reyes-Galindo, L.; Ginsparg, P.: ¬A note concerning primary source knowledge (2017)
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¬Die Weltbibliothek Mathematik (2002)
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Haustein, S.; Bowman, T.D.; Holmberg, K.; Tsou, A.; Sugimoto, C.R.; Larivière, V.: Tweets as impact indicators : Examining the implications of automated "bot" accounts on Twitter (2016)
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