00285nam a2200109Ia 4500008004100000082001700041100002700058245003600085250000900121260003600130300000900166240913s9999||||xx |||||||||||||| ||und||  a541.3  BAH/E  aArun Bahl and B.S Bahl 0aEssential of physical chemistry  aNULL  bS Chand and CoaNew Delhic1943  a1144