Co-usage of papers

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

ecmemetrpv:47:y:1979:i:1:p:199-202 (2 access) related documents:

ecmemetrpv:37:y:1969:i:3:p:408-23 access 1 commun 1 relatness 0.5

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