Co-usage of papers

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

hhssunrpe1999_0008 (2 access)related documents:

tprrestatv:71:y:1989:i:3:p:517-22 access 1 commun 1 relatness 0.5

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