Co-usage of papers

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

fipfedlrvy:2000:i:Jan:p:35-60:n:v.82no.1 (2 access) related documents:

mcbjmoncbv:1:y:1969:i:3:p:556-87 access 1 commun 1 relatness 0.5

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