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Schreiber, M.: ¬A case study of the modified Hirsch index hm accounting for multiple coauthors (2009)
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Leydesdorff, L.; Zhou, P.; Bornmann, L.: How can journal impact factors be normalized across fields of science? : An assessment in terms of percentile ranks and fractional counts (2013)
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Egghe, L.: Mathematical theory of the h- and g-index in case of fractional counting of authorship (2008)
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Zhang, C.-T.: Relationship of the h-index, g-index, and e-index (2010)
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Crispo, E.: ¬A new index to use in conjunction with the h-index to account for an author's relative contribution to publications with high impact (2015)
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