00303nam a2200121Ia 450000500170000000800410001704100080005808200150006610000200008124500360010126000350013730000090017220260720174655.0260720s1949    xx            000 0 und d  aeng  a540.2 PARG  aPartington, J R  aGeneral and inorganic chemistry  aLondonbMacmillam&Co Ltdc1949  a912p