Co-usage of papers

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

ecmemetrpv:41:y:1973:i:3:p:581-83 (2 access) related documents:

tprrestatv:65:y:1983:i:3:p:506-11 access 1 commun 1 relatness 0.5

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