00330nam a2200145Ia 4500003000500000008004100005020000900046040000900055041001200064082002100076100002300097245004100120260000900161650001400170NDCL180829s9999||||ii |||||||||||||| ||eng||  a6335  aNDCL  aEnglish  a540 PRH216th ed  aPetrucci, Ralph H. 0aGeneral ChemistrycRalph H. Petrucci  c1989  aChemistry