00290nam a2200109Ia 4500008004100000082001500041100001700056245003900073250001500112260004400127300000900171240913s9999||||xx |||||||||||||| ||und||  a540  UPA/I  aK.N Upadhaya 2aA text book of inorganic chemistry  a2nd rev ed  bVikas Publishing HouseaNew Delhic1990  a945p