Biblio

S. Devotta, Rayalu, S., Wate, S. R., Labhasetwar, N., Biniwale, R. B., Godfrey, S., Labhasetwar, P., Chakma, T., Swami, A., Dwivedi, H. B., Parihar, G., y Saxena, A., «Integrated fluorosis mitigation: guidance manual». National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. xii, 87 p. : 21 fig., 9 tab., 2007.

S. Godfrey, «Appropriate chlorination techniques for wells in Angola», Waterlines, an international journal of water, sanitation and waste, pp. p. 6-8 : 1 box, 1 fig., 2 photogr., 1 tab., 2003.