1981
UNICEF -New York, NY, US,
« A drop of water ». UNICEF, New York, NY, USA, p. Slide series (20 slides + text, 4p.), 1981.
I. Carruthers et Stoner, R.,
Economic aspects and policy issues in groundwater development, vol. no. 496. Washington, DC, USA: World Bank, 1981, p. ii, 6, 110 p.: fig., tab.
H. I. Shuval, Tilden, R. L., Perry, B. H., et Grosse, R. N.,
« Effect of investments in water supply and sanitation on health status : a threshold-saturation theory »,
Bulletin of the World Health Organization, p. p. 243-248: fig., 1981.
M. A. Abdullah,
« Engineering measures for the development of surface water resources in Kano State », in
Water and waste engineering in Africa : proceedings of the 6th WEDC Conference 24-28 March 1980 at Ahmadu Bello University, Zaria, Nigeria, 1981, p. p. 74-79.
H. A. Heckman,
« Enterprise performance development ». Asian Institute of Technology, Bangkok, Thailand, p. ii, 24 p. + 13 p. annexes : 7 fig., 1981.
PAHO -Washington, DC, US,
Environmental health activities of the Pan American Health Organization, vol. no. 1. Washington, DC, USA: Pan American Health Organization (PAHO), 1981, p. vi, 49 p.
L. A. Raymann,
« Experience of community development department and SATA-Helvetas with rural water supplies as self-help projects in West Cameroon », in
Water and waste engineering in Africa : proceedings of the 6th WEDC Conference 24-28 March 1980 at Ahmadu Bello University, Zaria, Nigeria, 1981.
P. Streeten,
« First things first : meeting basic human needs in developing countries ». Oxford University Press, New York, NY, USA, p. xii, 206 p. : 5 fig., 7 tab., 1981.
B. Gay,
« Forage : techniques et materiels ». Institut Technologique Dello, Verberie, France, p. 16 p.: tab., 1981.
B. G. Rogers, Ingram, W. T., Pearl, E. H., et Wetter, L. W.,
« Glossary water and wastewater control engineering ». American Public Health Association (APHA), Washington, DC, USA, p. xii, 441 p., 1981.
B. P. Wolff,
« Half a nation (UNICEF in Ecuador) ». UNICEF, New York, NY, USA, p. Slide series (30 slides + text, 4p.), 1981.
R. R. Bannerman,
« Hand pump maintenance programme : Ghana », in
Water and waste engineering in Africa : proceedings of the 6th WEDC Conference 24-28 March 1980 at Ahmadu Bello University, Zaria, Nigeria, 1981.
M. M. Riti,
Horizontal roughing filter as pretreatment with slow sand filters, vol. No. N:o 12. Tampere, Finland: Tampere University of Technology, Dept. of Civil Engineering, 1981, p. iv, 145 p. : fig. tab.
B. N. Lohani et Rajagopal, K.,
Human and animal waste management strategies in developing countries, vol. no. 4/5. Bangkok, Thailand: Environmental Sanitation Information Center, ENSIC, 1981, p. v, 89 p. : 31 fig., 38 tab.