00281nam a2200109Ia 450000500170000000800410001708200160005810000180007424500300009226000400012230000090016220260224040909.0260224s9999||||xx |||||||||||||| ||und||  a575.106 GEE  aGeerts, S.J.  0aGenetics today (symposia)  aLondon: Oxford Pergamon Pressc1965  a1069