How to assess the impact of an electronic document? And what does impact mean anyway?: Reliable usage statistics in heterogeneous repository communities

Author: Herb Ulrich   Kranz Eva   Leidinger Tobias   Mittelsdorf Björn  

Publisher: Emerald Group Publishing Ltd

ISSN: 1065-075X

Source: OCLC Systems & Services, Vol.26, Iss.2, 2010-01, pp. : 133-145

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Abstract