00274nam a2200109Ia 4500008004100000082001700041100001500058245003700073250000900110260003600119300000900155240913s9999||||xx |||||||||||||| ||und|| a541.3 BHA/E aAarun Bahl 0aEssentials of Physical Chemsitry aNULL bS Chand and CoaNew Delhic2009 a1144