Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjnlbusv:44:y:1971:i:2:p:175-79 (2 access)
| fipfedmqry:1999:i:Sum:p:3-17:n:v.23no.3 | access 3 | commun 2 | relatness 0.67 |
| ucpjpolecv:81:y:1973:i:4:p:972-81 | access 1 | commun 1 | relatness 0.5 |