References
- Al‐Ani , M.Y. and Al‐Baldawi , M.F. 1986 . “Comparison of Single and Dual Media for Water Filtration” . 4th S.R.C. Oct. 23–28 1986 , Baghdad ‐ IRAQ. Vol. 5, part 2
- Tuepker , J.L. 1968 . “Operation and Maintenance of Rapid Sand and Mixed Filters in a Lime Softening Plant” . J. AWWA , 60 12, Dec.
- Atherton , T. and Gass , J. 1981 . “Low Turbidity Water From Fast Processes” . J. Water Emngineering Management , 128 7, July
- Conley , W.R. and Pitman , R.W. 1960 . “Test Frogram for Filter Evaluation at Handford . J. AWWA , 52 2, Feb : 5
- Cleasby , J.L. 1975 . “Ef f ect of Media Intermixing on Dual Media Filtration” . J. ASCE Env. Engg Div. , 101 ( EE4 ) Aug.
- Craft , T .E. 1971 . “Comparision of Sand and Anthracite for Rapid Filtration” . J. AWWA , 63 1, Jan.
- Tossey , D. (1970) . “Tertiary Treatment by Flocculation and Filtration” . J. ASCE. San. Eng. D, SAI , 96
- Hammar , M.J. 1977 . “Water and Waste Water Technology” , New York : John Wiley Inc. .
- Baylis , J.R and Hudson , H.L. 1971 . “Water Treatment Handbook” . Chapter 7 Filtration AWWA
- Hudson , H.E . 1964 . “Functional Design of Rapid Sand Filters” . ASCE. San. Engg. , 89 July No SAI