Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
rbarbaacv1995-13 (2 access)
| rbarbaacv1998-15 | access 1 | commun 1 | relatness 0.5 |
| rbarbaacv2000-16 | access 1 | commun 1 | relatness 0.5 |
| rbarbaacv1994-10 | access 1 | commun 1 | relatness 0.5 |