Water treatment and sanitation : a handbook of simple methods for rural areas in developing countries - Mann, H. T. (Henry Thomas); Williamson, D. (David) (London : Intermediate Technology Publications, 1976)
Bibliography: p. 89-90.
Keywords: Water -- Purification -- Handbooks, manuals, etc; Sewage -- Purification -- Handbooks, manuals, etc; Rural health -- Handbooks, manuals, etc; Public health -- Developing countries -- Handbooks, manuals, etc