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Adler, R.; Ewing, J.; Taylor, P.: Citation statistics : A report from the International Mathematical Union (IMU) in cooperation with the International Council of Industrial and Applied Mathematics (ICIAM) and the Institute of Mathematical Statistics (IMS) (2008)
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Hooydonk, G. Van: Standardizing relative impacts : estimating the quality of research from citation counts (1998)
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Zhou, P.; Leydesdorff, L.: ¬A comparison between the China Scientific and Technical Papers and Citations Database and the Science Citation Index in terms of journal hierarchies and interjournal citation relations (2007)
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