Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjpolecv:81:y:1973:i:1:p:28-55 (2 access)
| ucpjpolecv:83:y:1975:i:3:p:535-69 | access 1 | commun 1 | relatness 0.5 |
| tprqjeconv:107:y:1992:i:1:p:285-326 | access 1 | commun 1 | relatness 0.5 |