Co-usage of papers

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

ouprfinstv:2:y:1989:i:1:p:25-47 (2 access) related documents:

ucpjnlbusv:63:y:1990:i:1:p:S107-23 access 1 commun 1 relatness 0.5

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