1987
D. E. G. T. Z. - Eschborn,
« Difusion de la technologia del biogas en Colombia : documentation del proyecto ». Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ), Cali, Colombia, p. 139 p.: photogr., tab., ill., fig., 1987.
M. T. Boot,
« Evaluating water supply and sanitation projects : training course », vol. no. 2. IRC, The Hague, The Netherlands, p. 2 vol. (94 p. ; 110 p.): ill., tab., 1987.
H. B. Pradhan et Orapeleng, V. K.,
« Family health : guide book on sanitation and health ». Self-help Environmental Sanitation Project, Southern District Council, Kanye, Botswana, p. 14 p.: ill., 1987.
J. Viiala,
« Handpump technology in developing countries with special reference to experiences in South-East Tanzania », vol. no. 27. Tampere University of Technology, Institute of Water and Environmental Engineeri, Tampere, Finland, p. 106 p.: fig., tab., 1987.
K. R. Daw, S. Khatua, K., et Jensen, K. M.,
« II Tier maintenance system : a preliminary evaluation ». DANIDA, Ministry of Foreign Affairs, Bhubaneshwar, India, p. 52 p.: tab., 1987.
O. Langenegger,
« The impact of handpump corrosion on water quality ». World Bank Regional Water and Sanitation Group Western Africa, Abidjan, Ivory Coast, p. 10 p.: fig., tab., 1987.
D. K. C. C. K. K. - Copenhagen, Copenhagen, D. K. D. A. N. I. D. A. -, et TZ, T. -,
« Implementation of water master plans for Iringa, Ruvuma and Mbeya Regions : water consumption in six villages 1987 ». DANIDA, Ministry of Foreign Affairs, Copenhagen, Denmark, p. ca. 200 p.: fig., tab., 1987.
D. K. C. C. K. K. - Copenhagen, Copenhagen, D. K. D. A. N. I. D. A. -, et TZ, T. -,
« Implementation of water master plans for Iringa, Ruvuma and Mbeya regions : study of training needs, 1986 ». DANIDA, Ministry of Foreign Affairs, Copenhagen, Denmark, p. 42 p.: fig., tab., 1987.
PAHO -Washington, DC, US et GT, G. Ministerio,
« Instrucciones y guias de operacion y mantenimiento ». Guatemala, Division de Saneamiento del Medio (DSM), Guatemala, Guatemala, p. ca. 60 p.: ill., 1987.
L. K. U. N. I. C. E. F. - Colombo,
« Iron removal plant : installation and maintenance manual ». UNICEF Water, Environment and Sanitation Section, Colombo, Sri Lanka, p. 11 p.: tech. drwng, photogr., 1987.
D. Kane,
« Manpower development and training programme ». Lusaka Urban District Council, Water and Sewerage Department, Lusaka, Zambia, p. Microfiche (101 p.): fig., tab., 1987.
J. Milkov,
Modified VIP latrine : construction guide. Monrovia, Liberia: World Health Organization (WHO), 1987, p. 10 p.: fig.
National Environmental Engineering Research Institute -Nagpur, IN, NEERI,
« National camp on iron removal at Agartala : report ». National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. 25 p.: fig., tab., ill., 1987.