Co-usage of papers

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

ucpjnlbusv:65:y:1992:i:2:p:221-39 (2 access) related documents:

mcbjmoncbv:22:y:1990:i:2:p:221-33 access 1 commun 1 relatness 0.5

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