00475nam a2200193Ia 4500008004100000040000600041041001200047082001100059082001100070100002000081245002500101245002000126260001700146260002700163260000900190300005500199300001000254650001700264141004s9999    xx            000 0 und d  ca  aEnglish  a572.86  bLEV/GE  aLouis   Levine   aBiology of the gene   cLouis   Levine   aSaint Louis   bThe C.V. Mosby Company  c1969  a334p                                                b26cm   aGene biology