Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjpolecv:88:y:1980:i:2:p:400-405 (2 access)
| fipfedmqry:1989:i:Spr:p:3-9 | access 1 | commun 1 | relatness 0.5 |
| ucpjpolecv:79:y:1971:i:2:p:372-75 | access 1 | commun 1 | relatness 0.5 |