Co-usage of papers

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

fipfedlrvy:2000:i:Mar:p:21-30:n:v.82no.2 (2 access) related documents:

spranrescv:32:y:1998:i:1:p:115-131 access 1 commun 1 relatness 0.5

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