000 00427 a2200157 4500
020 _a0853122040
080 _a628.35
_bW 775 B
245 1 _aBiological treatment of waste-water
_cby M.A. Winkler
260 _aChichester
_bEllis Horwood
_c1981
650 _aBiological Treatment
650 _aWastewater
100 1 _aWinkler, M.A.
300 _a301 p.
040 _aIARI, New Delhi
901 _a154977
999 _c77826
_d77826