00426nam a2200193Ia 4500008004100000041001200041082001000053082001100063100001900074100001100093245002400104260001100128260001900139260000900158300001500167365002500182650001000207650001500217150909s9999    xx            000 0 und d  aEnglish  a575.1  bWIL/GE  aWilliamson R    eEditor  aGenetic engineering  aLondon  bAcadamic Press  c1981  a167  Pages  aUSD.24.00             aGenes  aPolymerase