00339nam a2200145Ia 4500008004100000020001800041082001000059082001000069100001500079100001200094245003600106260001300142260002900155260000900184230118s9999||||xx |||||||||||||| ||und||  a81-219-2978-4  a541.3  bBAH/E  aarunbbahl  bb.sbahl 0aessential of physical chemistry  anewdelhi  bs. chand and company ltd  c1943