Co-usage of papers

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

ucpjpolecv:87:y:1979:i:4:p:719-48 (2 access) related documents:

ucpjpolecv:85:y:1977:i:2:p:361-78 access 1 commun 1 relatness 0.5

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