Co-usage of papers

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

ecmemetrpv:39:y:1971:i:6:p:1055-56 (2 access) related documents:

ecmemetrpv:46:y:1978:i:2:p:365-78 access 1 commun 1 relatness 0.5

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