Co-usage of papers

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

wopcalsdi97-01 (2 access)related documents:

ucpjnlbusv:56:y:1983:i:2:p:155-85 access 1 commun 1 relatness 0.5

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