Biblio

C. H. Internatio Duebendorf and Jakarta, I. D. World Bank, “China: nightsoil management improvement study in Hubei”. UNDP-World Bank Regional Water and Sanitation Group for East Asia and the Pacific, Jakarta, Indonesia, p. iii, 32 p. + annexes (ca. 120 p.), 1995.

M. Strauss and Heinss, U., “SOS - management of sludges from on-site sanitation : faecal sludge treatment : challenges, process options and field research : a state-of-knowledge report”, SANDEC news, pp. p. 2-13: 7 fig., 4 tab., 4 photogr., 1995.