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:1:p:93-103 (2 access) related documents:

ucpjnlbusv:52:y:1979:i:4:p:549-61 access 1 commun 1 relatness 0.5

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