SKINNER, B. and SHAW, R.
(1999):
VLOM Pumps -Brief 41.
En: SHOW, R. (editor). Running Water, More Technical Briefs on Health, Water and Sanitation.
Nottingham (UK):
Water, Engineering and Development Centre (WEDC)/ Intermediate Technology (IT) Publications, pp.33-36.
URL
[Accessed: 01.09.2018]
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