Co-usage of papers

Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)

imfimfwpa98163 (2 access)related documents:

ucpjpolecv:98:y:1990:i:1:p:1-27 access 1 commun 1 relatness 0.5

Done at: 2002-04-15 10:19:14