00454nam a2200193Ia 4500008004100000041001200041082001000053082001100063100002100074100001100095245003600106260001200142260003000154260000900184300001500193365002500208650001700233650001000250150909s9999    xx            000 0 und d  aEnglish  a575.1  bSTA/TH  aStansfield W.D    eAuthor  aTheory and problems of genetics  aNewYork  bMc Graw Hill Book company  c1969  a281  Pages  aUSD.4.95              aCytogenetics  aGenes