Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjpolecv:94:y:1986:i:3:p:614-41 (2 access)
| ecmemetrpv:55:y:1987:i:1:p:69-94 | access 1 | commun 1 | relatness 0.5 |
| tprqjeconv:106:y:1991:i:4:p:1089-127 | access 1 | commun 1 | relatness 0.5 |