Biblio

R. Harris, New world water 1994. London, UK: Sterling Publications, 1994, p. 192 p. : fig., tab.

R. C. Gumerman, Burris, B. E., and Hansen, S. P., “Estimation of small systems water treatment costs ((7 microfiches))”. US Environmental Protection Agency (EPA), Municipal Environmental Research Laboratory, Cincinnati, OH, USA, p. xxxiii, 567 p.: fig., tab., 1984.

A. I. Moller, “Some remarks on ground water conditions and use of geophysical instruments in hard rock (Crystalline Rock) areas based on findings from the WHO/UNICEF assisted village water supply programme in India”. UNICEF Regional Office for South Central Asia, New Delhi, India, p. iv, 42 p. : 23 fig., 1973.