Co-usage of papers

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

ecmemetrpv:45:y:1977:i:8:p:1823-35 (2 access) related documents:

ecmemetrpv:59:y:1991:i:2:p:521-23 access 1 commun 1 relatness 0.5

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