1. Darcy H (1856) Les fontaines Publiques de la Ville de Dijon. Dalmont, Paris
2. Haxen A (1893) Some physical properties of sand and grazels with special reference to their use in filtration. Massachusetts State Broad of Health, Twenty four annual report, Massachusetts State
3. Kozeny J (1927) Ueber kapillare Leitung des Wassers im Boden. Sitzungsber Akad Wiss Wien 136(2a):271–306
4. Muskat M (1937) The flow of homogeneous fluid through porous media. Mcgraw Hill, United State of America
5. Singh M, Singh C, Gangacharyulu D, Kumar V (2013) Study on design of single pass backwash cooler. Int J Eng Sci Invention 2(7):117–122