1. The spring migration of 1961 in the Norwegian lemming, Lemmus lemmus (L.), at Kilpisjarvi, Finnish Lapland;Aho;Ann. Zool. Fenn.,1966
2. Agonistic behaviour in the varying lemming, Dicrostonyxgroenlandicus (Tr.);Allin John,1966
3. Sociobiology of rhesus monkeys. II: Stochastics of social communication;Altmann;J. theoret. Biol.,1965
4. An analysis of social behaviour in wild rats;Barnett,1958
5. Social stress;Barnett;Viewpoints Biol.,1964