00284nam a2200109Ia 450000500170000000800410001708200150005810000170007324500310009026000450012130000080016620260224040823.0260224s9999||||xx |||||||||||||| ||und||  a591.51 GRI  aGrier, J.W.  0aBiology of animal behavior  aSt. Louis : Times Mirror/ College c1984  a693