Co-usage of papers

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

ucpjpolecv:98:y:1990:i:5:p:S71-102 (2 access) related documents:

ucpjpolecv:94:y:1986:i:5:p:1002-37 access 1 commun 1 relatness 0.5

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