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New Web Citation Index (2004)
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Luna-Morales, M.E.; Collazo-Reyes, F.; Russell, J.M.; Ángel Pérez-Angón, M.A.: Early patterns of scientific production by Mexican researchers in mainstream journals, 1900-1950 (2009)
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Vaughan, L.; Shaw, D.: Web citation data for impact assessment : a comparison of four science disciplines (2005)
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