Biblio

E. Nissen-Petersen, “Water from dry riverbeds : how dry and sandy riverbeds can be turned into water sources by hand-dug wells, subsurface dams, weirs and sand dams”, vol. no. 3. Asal Consultants, Nairobi, Kenya, p. vii, 60 p. : fig., photogr., tab., 2006.

R. J. R. Rowles, Drilling for water : a practical manual. Bedford, UK: Cranfield Press, 1990, p. vi, 180 p.: fig., tab.

P. Wirojanagud, “The People's Volunteer Weir Programme : a three-way collaboration in irrigation”, Waterlines, an international journal of water, sanitation and waste, pp. p. 24-26: photogr., 1990.

H. Lauterjung and Schmidt, G., Planning of intake structures. Braunschweig, Germany: Vieweg, 1989, p. 122 p.: fig., tab.

G. A. Bridger, “Urban water supply and sanitation”, vol. no. D2. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 2 vol. (various paging): fig., tab., 1989.

N. Zealand. M. NZ, “Thai-New Zealand Village Based Water Resources Development Project : project evaluation review”. New Zealand, Ministry of Foreign Affairs, Wellington, New Zealand, p. 27, 10 p., 1984.