Co-usage of papers

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

ucpjpolecv:88:y:1980:i:2:p:370-84 (2 access) related documents:

mcbjmoncbv:25:y:1993:i:4:p:721-30 access 1 commun 1 relatness 0.5

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