00310nam a2200109Ia 450000500170000000800410001708200140005810000230007224500560009526000410015130000080019220260224041039.0260224s9999||||xx |||||||||||||| ||und||  a575.1 GOL  aGoldschmidt, R.B.  0aUnderstanding heredity: An introduction to genetics  aLondon: Paris: Pergamon Press,c1964  a228