Biblio

K. Jobes, “PME under the spotlight : a challenging approach in St. Vincent”, Waterlines, an international journal of water, sanitation and waste, pp. p. 23-25 : 4 photogr., 1998.

B. J. Lloyd, Wheeler, D., and Pardon, M., “Final report on the development, evaluation and field trials of a small scale, multi-stage, modular filtration system for the treatment of rural water supplies”. DelAgua, Lima, Peru, p. 42, 107 p. : fig., tab., 1986.