Co-usage of papers

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

leiingber95PI (4 access)related documents:

ecmemetrpv:48:y:1980:i:3:p:781-84 access 2 commun 2 relatness 0.5

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