00380nam a22001457i 4500001001000000005001700010008004100027020001500068082002100083100001600104245004100120260004000161300001700201650001600218SXC01307620260819093536.0260101s1968    ii            000 0 eng d  a0050017608  a572.87 KOL-C222  aKoller, P C10aChromosomes and genes /cKoller, P C  abOliver & Boyd Ltd., London,c1968  ap. ;c22 cm. 0aChromosomes