Co-usage of papers

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

ecmemetrpv:50:y:1982:i:1:p:27-41 (2 access) related documents:

ecmemetrpv:40:y:1972:i:4:p:769-70 access 1 commun 1 relatness 0.5

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