000 00489nam a2200169 4500
020 _a
_c180
082 _a
100 _aMANIVASAKAM .N
245 _aPHYSICO CHEMICAL EXAMINATION OF WATER SEWAGE AND INDUSTRIAL EFFLUENTS
_hENGLISH
250 _a
260 _aMeerut
_bPragati prakasan
_c1990
300 _a0
_f
500 _a
590 _d
650 _aPHYSICO CHEMICAL EXAMINATION OF WATER SEWAGE AND INDUSTRIAL EFFLUENTS
942 _cBK
999 _c275537
_d275537