Co-usage of papers

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

aeaaecrevv:90:y:2000:i:4:p:806-828 (2 access) related documents:

aeaaecrevv:59:y:1969:i:5:p:817-31 access 1 commun 1 relatness 0.5

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