Co-usage of papers

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

fthpennfi04-00 (2 access)related documents:

sprecogovv:2:y:2001:i:1:p:59-67 access 1 commun 1 relatness 0.5

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