Biblio

X. M. Yang, Yahashi, T., Kuniyasu, K., and Ohmori, H., “On-site systems for domestic wastewater treatment (johkasous) in Japan”, in Decentralised sanitation and reuse : concepts, systems and implementation, 2001, pp. P. 257-280 : 16 fig., 14 tab.

I. Urke and Fossum, P., “Cost of water treatment units”, in Water master plans for Rukwa and Kigoma regions : interim report. Part IV. Selected working papers : A, 1981, p. Working paper no. 34 (27 p. in various pagings : ill.).