Co-usage of papers

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

ucpjpolecv:100:y:1992:i:5:p:992-1026 (2 access) related documents:

sprjoecthv:14:y:1999:i:2:p:439-461 access 1 commun 1 relatness 0.5

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