Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
jaejapmetv:15:y:2000:i:5:p:471-482 (2 access)
| tprrestatv:76:y:1994:i:1:p:196-202 | access 1 | commun 1 | relatness 0.5 |
| tprrestatv:75:y:1993:i:4:p:575-88 | access 1 | commun 1 | relatness 0.5 |