Small community water supplies : technology of small water supply systems in developing countries / prepared with contrib. from and under the joint supervision of L. Huisman ... [et al.] ; comp. and ed. by E.H. Hofkes

Small community water supplies : technology of small water supply systems in developing countries / prepared with contrib. from and under the joint supervision of L. Huisman ... [et al.] ; comp. and ed. by E.H. Hofkes