00242nam a22001097a 4500020001500000082001200015100002300027245002300050250000600073260004500079300000800124  a8173191840  a541/CHA  aCHAKRABARTY, D. K.  aPHYSICAL CHEMISTRY  a1  aNEW DELHIbNAROSA PUBLISHING HOUSEc1997  a447