Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)
ecmemetrpv:41:y:1973:i:1:p:27-34 (2 access)
| ecmemetrpv:39:y:1971:i:1:p:171-72 | access 1 | commun 1 | relatness 0.5 |
| ecmemetrpv:46:y:1978:i:1:p:181-84 | access 1 | commun 1 | relatness 0.5 |