Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjpolecv:95:y:1987:i:2:p:420-37 (2 access)
| ucpjpolecv:78:y:1970:i:2:p:279-90 | access 1 | commun 1 | relatness 0.5 |
| spranrescv:31:y:1997:i:3:p:217-234 | access 1 | commun 1 | relatness 0.5 |