Biblio

H. C. Sharma y Ram, S., «Maintenance, troubles and remedies of pumping-sets». Action for Food Production, New Delhi, India, p. 12 p., 1978.

F. B. Wright, Rural water supply and sanitation, 3rd ed.ª ed. Huntington, NY, USA: Krieger, 1977, p. xiii, 305 p.

E. J. M. Kobus y Pieper, J. W., «Putverstopping», vol. nr. 1. KIWA, Rijswijk, The Netherlands, p. 49 p., 1973.

H. Nurse, «Water meter repair flow-chart : a job - aid». Pan American Health Organization (PAHO), Bridgetown, Barbados, p. 22 p.: drwngs.