Psychobiological studies of individuals in small, isolated groups - in the Antarctic and in space analogues.

Ursin H., Bergan T., Collet J., Endressen I.M., Lugg D.J., Maki P., Matre R., Molvaer O.L., Muller H.K., Olff M., Pettersen R., Sandal G.M., Vaernes R., Warncke M. (1991) Psychobiological studies of individuals in small, isolated groups - in the Antarctic and in space analogues, Environment and Behaviour 23(6). 766-781;