01029cam0-2200325---450-99000916617040332120100505101712.0000916617FED01000916617(Aleph)000916617FED0100091661720100329d1963----km-y0itay50------baengGBa-------001yy<<The >>biology of mental defectby L. S. Penrosewith a preface by J. B. S. Haldanecompletely rev. with the assistance of J. M. Berg and Helen Lang-Brown3d rev. and reset ed.LondonSidgwick and Jackson1963XXIV, 374 p.ill.23 cmBiologiaPenrose,Lionel Sharples<1898-1972 >507290Berg,J. M.<Joseph Maurice>Lang-Brown,HelenITREICATRICAUNIMARCBK9900091661704033218 A 6729DMEPEDMEPEBiology of mental defect780258UNINA