Biblio

N. M. Tariq and Yao, K. M., “A laboratory study on tube settling”. Institute of Public Health Engineering and Research, Lahore, Pakistan, p. 12 p.: fig., tab., 1976.

K. M. Yao, “Extended plain sedimentation”, Journal of the Environmental Engineering Division ASCE, pp. p. 413 -423 : 6 fig., 1975.

P. K. Jain, “Process rates within slow sand filters”. Department of Civil and Municipal Engineering, University College London, London, UK, p. 288 p. : fig., 1975.

R. A. Hyde, “Water clarification by flotation-4 : design and experimental studies on a dissolved-air flotation pilot plant treating 8.2 m3/h or river Thames water”, vol. 13. Water Research Centre, Medmenham, UK, p. 39 p., 1975.

S. Siber, “Slow sand filtration for small communities and rural areas”, vol. no. 73-02. Middle East Technical University, Faculty of Engineering, Ankara, Turkey, p. 38, 9 p.: graphs, tab., 1973.