000 00568nam a22001937a 4500
999 _c62588
_d62588
005 20200930155026.0
008 200930b ||||| |||| 00| 0 eng d
082 _a620.8 N28T
100 _aNational Environmental Engineering Research Institute
245 _aTechnical Digest No. 1-58 (1970-77)
260 _aNagpur
_bNational Environmental Engineering Research Institute
300 _ap.58
650 _bPlant Treatments
650 _bWaste Disposal
650 _bSewage Farming
650 _bDefluoridation
650 _bNatural Cogulant Aids
942 _cBK