00307nam a2200109Ia 450000500170000000800410001708200140005810000180007224500480009026000510013830000080018920260224040837.0260224s9999||||xx |||||||||||||| ||und||  a581.2 GRA  aGraham, C.F.  0aDevelopmental control in animals and plants  aBoston: Blackwell Scientific Publishers c1984  a519