Co-usage of papers

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

ucpjpolecv:84:y:1976:i:2:p:207-37 (2 access) related documents:

ucpjpolecv:86:y:1978:i:4:p:673-700 access 1 commun 1 relatness 0.5

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