00387nam a22001457i 4500001001000000005001700010008004100027082001800068100001700086245004100103260003700144300001700181650002500198020001800223SXC02399520260819093740.0260101s2000    ii            000 0 eng d  a661 HAR-I222  aHarish Kumar10aIndustrial chemistry /cHarish Kumar  abSarup & Sons, New Delhi,c2000  ap. ;c22 cm. 0aIndustrial chemicals  a9788170419310