Biblio

J. P. Padmasiri, Fonseka, W. S. C. A., y Liyanapatabendi, T., «Low cost fluoride removal by an upward flow household filter», Water supply : the review journal of the International Water Supply Association, pp. p. 59-64: 4 fig., 3 tab., 1995.

J. P. Padmasiri, Jayatilake, G. M., y Kotuwegedara, J. P. K., «Groundwater pollution from double pit latrines», in Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 239-241: 3 fig., 4 tab.