00334nam a2200109Ia 4500008004100000020001800041040002900059050002100088100002100109245005800130260003600188230222s9999||||xx |||||||||||||| ||und||  a0-582-32732-6  cChuka University Library  aQL 751bM33 1999  aMcFarland, David 0aAnimal behavior:psychobiology,ethology and evolution   aPearson EducationbLondonc1999