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:1:p:1-40 (2 access) related documents:

fipfedhepy:1998:i:QI:p:65-79:n:v.22no.1 access 1 commun 1 relatness 0.5

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