00380nam a2200133Ia 4500008004100000082001500041100002000056245002500076260004500101650002500146650001700171650003200188700002600220220204s9999    xx            000 0 und d  a577.1bCAL  aCALVIN,  Melvin 0aBioorganic chemistry  aSan FranciscobW.H.Freeman and co.c1968  aBiological regulator  aGenetic code  aMacromolecular architecture  aJORGENSON, Margaret J