Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
sprjopoecv:12:y:1999:i:1:p:3-21 (2 access)
| sprjopoecv:13:y:2000:i:3:p:509-525 | access 1 | commun 1 | relatness 0.5 |
| sprjopoecv:13:y:2000:i:1:p:99-112 | access 1 | commun 1 | relatness 0.5 |