Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjnlbusv:50:y:1977:i:4:p:415-37 (2 access)
| ucpjnlbusv:62:y:1989:i:4:p:539-52 | access 1 | commun 1 | relatness 0.5 |
| ucpjnlbusv:56:y:1983:i:1:p:77-96 | access 1 | commun 1 | relatness 0.5 |
| ucpjnlbusv:57:y:1984:i:3:p:367-87 | access 1 | commun 1 | relatness 0.5 |