Co-usage of papers

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

fipfedfely:1996:i:May3:n:96-15 (2 access) related documents:

fipfedkery:1995:i:QIII:p:5-9 access 1 commun 1 relatness 0.5

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