Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
oupwbrobsv:13:y:1998:i:2:p:171-89 (2 access)
| ouprfinstv:3:y:1990:i:3:p:315-42 | access 1 | commun 1 | relatness 0.5 |
| ouprfinstv:4:y:1991:i:1:p:175-200 | access 1 | commun 1 | relatness 0.5 |