Biblio

G. B. Internatio London, «The 12th IAWPRC Biennial International Conference : Amsterdam, 17-20 September, 1984». p. 3 vol. (1231 p.: ill), 1984.

H. I. Shuval, Julius, D. S., y Gunnerson, C. G., Night-soil composting, vol. no. 10. Washington, DC, USA: World Bank, 1981, p. iv, 81 p.: fig., tab.

D. A. Okun y Ponghis, G., Community wastewater collection and disposal. Geneva, Switzerland: World Health Organization (WHO), 1975, p. xii, 287 p. : 86 fig., 62 tab.

F. A. van Duuren, Water purification works design. Pretoria, South Africa: Water Research Commission, WRC, 1970, p. xii, 422 p. : fig., ill., tab.