Co-usage of papers

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

fthcaldec97-13 (2 access)related documents:

ucpjpolecv:93:y:1985:i:1:p:43-65 access 1 commun 1 relatness 0.5

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