Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjpolecv:97:y:1989:i:6:p:1459-78 (2 access)
| ucpjpolecv:77:y:1969:i:1:p:49-59 | access 1 | commun 1 | relatness 0.5 |
| ucpjpolecv:101:y:1993:i:2:p:351-84 | access 1 | commun 1 | relatness 0.5 |