Co-usage of papers

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

aeaaecrevv:63:y:1973:i:3:p:326-34 (2 access) related documents:

aeaaecrevv:90:y:2000:i:2:p:28-31 access 1 commun 1 relatness 0.5

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