R. D. Mann,
How to build a 'Cretan sail' wind-pump : for use in low-speed wind conditions. London, UK: Intermediate Technology Development Group, 1979, p. 79 p. : fig., man, tab., techn. drwngs.
R. van Kerkvoorden,
«Information about the "Bandung" shallow well handpump». IWACO, Bandung, Indonesia, p. ca. 100 p.: fig., tab., photogr., 1979.
IRC International Water and Sanitation Centre, The Hague, NL,
Public standpost water supply, vol. no. 13. Rijswijk, The Netherlands: IRC, 1979, p. 104 p.: photographs, technical drawings.
P. Warshall, Weinberger, J. T., y Hewlett, G.,
Septic tank practices, Rev. and expanded. Garden City, NY, USA: Anchor Press/Doubleday, 1979, p. 177 p.
H. T. Mann,
«Septic tanks and small sewage-treatment plants», vol. no. TR 107. Water Research Centre, Medmenham, UK, p. 37 p. : 10 fig., 6 tab., 1979.
T. Schioler,
«Water-lifting devices». Food and Agriculture Organization (FAO), Rome, Italy, p. ca. 50 p. : ill., techn.drwng, 1979.