00451nam a2200169Ia 4500008004100000020001500041082001700056100002000073245004400093260004400137300000800181650001800189650001800207653001000225653002300235653002300258170901s1974    xx            000 0 und d  a0471531669  a575.21bL54G  aLewin, Benjamin 0aGene ExpressionbEucaryotic Chromosomes  aLondonbJohn Wiley and Sons, Inc.c1974  a467  aLife sciences  aPure Sciences  aGenes  aMicrobial genetics  aMolecular genetics