003430000a22001450004500060000800000082002300008100002300031245002500054260002800079260000900107300000800116490001100124490003100135650003100166  a100  a574.1925 MET.12;01  aGrossman, Lawrence  aNucleic Acids Part A  aNewyork, Academic Press  c1967  a764  a12c12  aMethods in Enzymology V 12  aNucleic Acids / Enzymology