Co-usage of papers

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

ucpjpolecv:98:y:1990:i:4:p:803-26 (2 access) related documents:

ecmemetrpv:37:y:1969:i:1:p:73-78 access 1 commun 1 relatness 0.5

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