00232nam a22000977a 4500082001200000100003400012245003500046250000600081260003900087300000800126  a541/SON  aSONI, P. L./ DHARMARHA, O. P.  aTEXTBOOK OF PHYSICAL CHEMISTRY  a3  aDELHIbSULTAN CHAND AND SONSc1969  a728