Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ecmemetrpv:45:y:1977:i:1:p:183-98 (2 access)
| ecmemetrpv:49:y:1981:i:2:p:517-18 | access 1 | commun 1 | relatness 0.5 |
| ecmemetrpv:54:y:1986:i:2:p:395-414 | access 1 | commun 1 | relatness 0.5 |