00380nam a22001337i 4500001001000000005001700010008004100027082001800068100002100086245004500107260005200152300001700204650002500221SXC01341820260819093540.0260101s1981    ii            000 0 eng d  a661 CHA-I222  aChakrabarty, B N10aIndustrial chemistry /cChakrabarty, B N  abOxford & IBH Publishing Co., New Delhi,c1981  ap. ;c22 cm. 0aIndustrial chemicals