1980
C. Environmen CA y CA, O. (Province),
Manual of practice on urban drainage, vol. no. 104. Ottawa, Ont, Canada: Environment Canada, 1980, p. xvi, 326 p. : 67 fig., 48 tab.
L. Sidwell,
«Montserrat Water Authority accounting department handbook». Pan American Health Organization, Division of Environmental Health Protection, Bridgetown, Barbados, p. 139 p.: charts, 1980.
American Water Works Association -Denver, CO, US, AWWA,
«PVC pipe : design and installation», vol. no. M23. American Water Works Association, Denver, CO, USA, p. v, 89 p.: fig., tab., 1980.
P. H. National W. City,
«Rural water supply. Vol. I : Design manual». National Water Resources Council, Quezon City, The Philippines, p. xii, 168 p.: fig., tab., 1980.
P. H. National W. City,
«Rural water supply. Vol. III : Operation and maintenance manual». National Water Resources Council, Quezon City, The Philippines, p. xvi, 96 p.: 25 fig., 10 tab., 1980.
C. Fernandez,
«Stores management : a training job manual». Pan American Health Organization, Division of Environmental Health Protection, Bridgetown, Barbados, p. 83 p., 1980.
L. Vanderschmidt y Lent, M.,
«Systematic project design : a handbook for volunteers». Boston University, Center for Educational Development in Health, Boston, MA, USA, p. vii, 184 p.: fig., 1980.
W. Baumann y Karpe, H. J.,
Wastewater treatment and excreta disposal in developing countries : report on a research project. Eschborn, Germany: German Appropriate Technology Exchange (GATE) /Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ), 1980, p. 167 p.: fig.
V. Williams,
«Water treatment plant operation (rapid sand filter) : a training/job manual». Pan American Health Organization, Division of Environmental Health Protection, Bridgetown, Barbados, p. 72 p.: fig., 1980.
1979
L. Sasse, Eggeling, G., Guldager, R., Guldager, H., Hilliges, G., Tietjen, C., y Werner, U.,
«Biogas : manual for the realisation of biogas programmes». Bremen Overseas Research and Development Association, Bremen, Germany, p. iii, 116 p.: fig., tab., 1979.
N. Department NP, Pokhara, N. P. S. A. T. A. -, y Kathmandu, N. P. U. N. I. C. E. F. -,
«Concrete course», vol. no. 4. Nepal, Department of Local Development, Kathmandu, Nepal, p. 13 p. : techn.drwngs, 1979.
WHO -Geneva, CH, World Health Organization,
Manual de l'equipe de sante, Edition nouvelle du Guide Medical Afriqu. Issy-les-Moulineaux, France: Saint Paul, 1979, p. 752 p.