Co-usage of papers

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

sprreecdev:5:y:2000:i:1:p:59-70 (2 access) related documents:

tprqjeconv:108:y:1993:i:4:p:1135-45 access 1 commun 1 relatness 0.5

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