000 00492nam a22001577a 4500
082 _a666.9 LOK
100 _aLokuliyana,D.R.K
245 _aTopics in Industrial Chemistry - Part 11 : cement,industrial wastes and pollution control
260 _aColombo
_bOpen University
_c1990
300 _a60p
490 _aIndustrial Chemistry -PSU 3119
505 _aBachelor Science :Level 5
650 _aIndustrial chemistry
_acement,industrial waste,pollution control
650 _aOUSL
942 _cBK
999 _c652
_d652