Biblio

A. MacDonald, Davies, J., Calow, R., y Chilton, J., «Developing groundwater : a guide for rural water supply». Practical Action Publishing, Rugby, UK, p. xx, 358 p. : 28 boxes, 129 fig., 47 plates, 38 tab., 2005.

C. A. van Wijk-Sijbesma, Baumann, E., Bhatia, R., Kolsky, P., y Chilton, J., «Learning from experience : evaluation of UNICEF's water and environmental sanitation programme in India, 1966-1998», vol. no. 01/04. UNICEF, New York, NY, USA, p. xxx, 76 p. + 234 p. annexes : 7 boxes, 7 fig., 6 tab., 2000.