References
- Annon . 1976 . Operation of Wastewater Treatment Plants , Washington, D.C. : Water Pollution Control Fed. . MOP No. 11
- Chack , J. J. , Rubino , V. and Liubicich , J. 1994 . Water Environ. Technol. , 1 : 49 – 53 .
- Davis , E. N. and Wallen , L. L. 1976 . Appl. Environ. Microbiol. , 32 : 303
- Eckenfelder , W. W. Jr . 1989 . Industrial Water Pollution Control, , 2nd Ed , McGraw Hill .
- Farrah , S. R. and Unz , R. F. 1976 . Appl. Environ. Microbiol. , 32 : 33
- Gaudy , A. F. and Gaudy , E. T. 1980 . Microbiology for Environmental Scientists and Engineers , McGraw‐Hill .
- Hanel , K. 1988 . Biological Treatment of Sewage by the Activated Sludge Process
- Harleman , D. R. , Harremoes , P. and Qian , Y. 1997 . Water Environ. Technol. , 9 : 47 – 50 .
- Harris , R. H. and Mitchell , R. 1973 . Annu. Rev. of Microbiol. , 27 : 27 – 50 .
- Horan , N. J. 1990 . Biological Wastewater Treatment Systems , John Wiley & Sons .
- Jenkins , D. and Orhon , D. Adv. in Water Pollut. Res.: Proc. Int. Conf. pp. 353 – 362 .
- Kharajian , H. A. and Sherrard , J. H. 1977 . J. Water Pollut. Control Fed. , 49 : 1985 – 1992 .
- Kharajian , H. A. and Sherrard , J. H. 1978 . J. Water Pollut. Control Fed. , 50 : 645 – 652 .
- Levine , A. D. , Tchobanoglous , G. and Asano , T. 1985 . J. Water Pollut. Control Fed. , 57 : 805 – 816 .
- Magara , Y. and Nambu , S. 1976 . Water Res. , 10 : 71 (G. B.)
- Mara , D. D. 1974 . Bacteriology for Sanitary Engineers , Churchill Livingstone, Longman Group Ltd. .
- McKinney , R. E. 1956 . Biol. Treat, of Sewage and Ind. Wastes , 1 : 88
- Nenov , V. 1995 . Water Sci. Technol. , 7 : 207 – 214 .
- Odegaard , H. 1992 . Water Sci. Technol. , 12 : 255 – 264 .
- Pavoni , J. L. and Tenney , M. W. 1972 . J. Water Pollut. Control Fed. , 44 : 414 – 431 .
- Peavy , H. S. , Rowe , D. R. and Tchobanoglous , G. 1985 . Environmental Engineering , McGraw Hill Book Company .
- Rideau , J. P. and Morfaux , J. N. 1976 . Water Res. , 10 : 999 (G. B.)
- Smallwood , C, J. 1957 . Sanit. Eng. Div., Proc. Am. Soc. Civ. Eng. , S3 : 1334 – 1348 .
- Steiner , A. E. , Mclaren , D. A. and Forster , C. F. 1976 . Water Res. , 10 : 25 (G. B.)
- Sykes , R. M. 1976 . J. Water Pollut. Control Fed. , 48 : 2046
- Svarovsky , L. 1990 . Solid ‐Liquid Separation , Butterworths .
- Tillman , G. M. 1992 . Primary Treatment at Wastewater Treatment Plants , Lewis Publishers .
- Wilkinson , J. F. 1959 . Bacteriol. Rev. , 22 : 47 – 73 .
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