Biblio

C. J. Austin, “Chlorinating household water in The Gambia”, in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 90-92.

K. R. Bulusu and Nawlakhe, W. G., “Defluoridation”. National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. viii, 61 p., [7] p. pl.: 8 fig., 18 tab., 1992.

K. R. Bulusu and Nawlakhe, W. G., “Nalgonda technique : a process for removal of excess fluoride from water”, Water quality bulletin, pp. p. 218-220: fig., tab., 1989.

National Environmental Engineering Research Institute -Nagpur, IN, NEERI, “Disinfection techniques for small community water supplies”. Central Public Health Engineering Research Institute, Nagpur, India, p. 56 p.: drwngs., fig. photogr., tab.