Co-usage of papers

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

ucpjnlbusv:42:y:1969:i:2:p:162-66 (3 access) related documents:

ucpjpolecv:78:y:1970:i:2:p:311-29 access 4 commun 3 relatness 0.75

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