Co-usage of papers

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

fipfedmqry:1999:i:Sum:p:3-17:n:v.23no.3 (3 access) related documents:

ucpjnlbusv:44:y:1971:i:2:p:175-79 access 2 commun 2 relatness 0.67

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