00379nam a2200145Ia 4500003000900000008004100009040001600050080001500066100001800081245004600099260004800145300001400193650001400207650001200221IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a541.5bPAL  aPalmer, W. G. 0aValencybclassical moderncW. G. Palmer    aCambridgebCambridge University Pressc1948  aix, 242p.  aChemistry  aValency