P. W. Potts, Moh, K. C., Whipple, J. H., and Craft, T. F.,
“Final report on the utilization/evaluation of an aid hand-operated water pump”. Georgia Institute of Technology, Atlanta, GA, USA, p. x + 147 p. : fig., tab., 1979.
R. van Kerkvoorden,
“Information about the "Bandung" shallow well handpump”. IWACO, Bandung, Indonesia, p. ca. 100 p.: fig., tab., photogr., 1979.
N. L. D. H. V. - Amersfoort,
“Shallow wells”. Tanzania, Ministry of Water, Energy and Minerals, Dar es Salaam, Tanzania, p. 192 p. : 9 boxes, 38 fig., photogr., 11 tab., 1979.