References cited
- Mutlak , S.M. , Salih , B.M. and Tawfiq , S.J. 1980 . Water, Air and Soil Pollution , 13 : 9
- Goyal , M. , Sagar , P. , Gebra and Joseph , L. 1977 . Falnick.Applied and Environmental Microbiology , 34 : 139
- Ritschel‐Beurling , Gerda . 1979 . J. Environmental Science and Health , 3 : 201
- American Public Health Association . 1975 . Standard Methods for the Examination Of Water and Waste Water. , 14th edition
- Sayler , G.S. , Nelson , J.D. , Justice , A. JR and Colwell , R.R. 1975 . Apllied Microbiology , 30 : 625
- Rai , Hakumatand . 1978 . GrayHill. Arch. Hydrobiol. , 81 : 495
- Feachem , R. 1974 . Water Res. , 8 : 367
- Geldreich , E.E. 1974 . Ocean Management , 3 : 225
- VanDonsel , D.J. and Geldreich , E.E. 1971 . Water Res. , 5 : 1079
- Geldreich , E.E. and Kenner , B.A. 1969 . J. Water Pollut. Control Fed. , 41 : R336
- 1971 . International Standards for Drinking Water. , 3rd edition , World Health Organization .