Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjnlbusv:61:y:1988:i:1:p:65-93 (2 access)
| ucpjpolecv:97:y:1989:i:6:p:1447-58 | access 1 | commun 1 | relatness 0.5 |
| ucpjpolecv:92:y:1984:i:1:p:136-48 | access 1 | commun 1 | relatness 0.5 |