Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjpolecv:98:y:1990:i:6:p:1325-48 (2 access)
| ucpjnlbusv:59:y:1986:i:4:p:S251-78 | access 3 | commun 2 | relatness 0.67 |
| aeajecperv:5:y:1991:i:1:p:193-206 | access 1 | commun 1 | relatness 0.5 |
| aeaaecrevv:81:y:1991:i:2:p:341-46 | access 1 | commun 1 | relatness 0.5 |
| aeajecperv:4:y:1990:i:2:p:201-11 | access 1 | commun 1 | relatness 0.5 |