Co-usage of papers

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

yoryorken00-23 (2 access)related documents:

ucpjnlbusv:61:y:1988:i:4:p:485-99 access 1 commun 1 relatness 0.5

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