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:4:p:1007-12 (3 access) related documents:

ecmemetrpv:39:y:1971:i:2:p:253-71 access 2 commun 2 relatness 0.67

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