Drew, W.M.

Drew, W.M., Bowles, B.A. & Hirth, G., 1983. The application of the slow sand filtration process to the treatment of small town water supplies : paper presented at the Australian Water and Wastewater Association 10th Federal Convention, Sydney, 1983, Armadale, Vic, Australia: State Rivers and Water Supply Commission of Victoria. Available at: https://www.ircwash.org/sites/default/files/255.1-6102.pdf.