Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ucpjpolecv:77:y:1969:i:2:p:199-218 (2 access)
| oupwbrobsv:13:y:1998:i:1:p:123-31 | access 1 | commun 1 | relatness 0.5 |
| ucpjpolecv:77:y:1969:i:2:p:219-36 | access 1 | commun 1 | relatness 0.5 |
| oupwbrobsv:13:y:1998:i:1:p:103-21 | access 1 | commun 1 | relatness 0.5 |