Co-usage of papers

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

nbrnberwo8178 (2 access)related documents:

sprjopoecv:12:y:1999:i:4:p:567-590 access 1 commun 1 relatness 0.5

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