Co-usage of papers

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

ucpjpolecv:95:y:1987:i:4:p:675-709 (2 access) related documents:

ucpjpolecv:98:y:1990:i:4:p:783-802 access 1 commun 1 relatness 0.5

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