Istinto e intelligenza - Barnett, Antohny. (OLS)http://semarc/name/54099; Cavallo, Franco. (OLS)http://semarc/name/54100 (Boringhieri, 1972)
Keywords: Animali - Comportamento. (OLS)http://semarc/subject/13665; Psicologia comparata. (OLS)http://semarc/subject/629