003470000a22001450004500060000800000082001400008100001400022100001400036245003700050250000600087260002900093260000900122300000800131650006200139 a100 a541.3 BAH aBAHL, B S aTuli, G D aEssentials of Physical Chemistry a8 aNewdelhi, S . Chand & Co c1957 a419 aPhysical Chemistry/ Radioactivity/ Catalysis/ Ionisation/