1. The behaviour of Octopus vulgaris Lam. in its natural habitat: a pilot study;Altman;Underwater Assoc. Rep.,1967
2. Shelter utilization by the molluscan cephalopod Octopus bimaculatus;Ambrose;Mar. Ecol. Prog. Ser.,1982
3. Predation by Octopus vulgaris in the Mediterranean;Ambrose;P.S.Z.N. I: Mar. Ecol.,1983
4. El Niño and Peru: positive aspects;Arntz;Oceanus,1984
5. An underwater measure of Octopus size;Aronson;Veliger,1982