00297nam a2200121Ia 4500020001800000082001600018100001700034100001400051245003800065260003300103650002300136700001600159  a9788121929783  a541.3 BAH/E  aBahl, B. S.   aArun Bahl 0aEssentials of Physical Chemistry   bS. Chand & Co aDelhi c1969  aPhysical Chemistry  aTuli, G. D