1981
P. H. Water Reso City et Manila, P. H. Asia Found,
« Installation manual for cylinder pump ». University of San Carlos, Water Resources Center, Cebu, Philippines, p. 23, ((17)) p. of tech. drawings: fig., 1981.
H. Van et Pineo, C. S.,
« Institutional development for IEOS : Instituto Ecuatoriano de Obras Sanitarias : report », vol. no. 12. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. iii, 57, 3 p.: fig., tab., 1981.
R. B. Isely,
« Intensive session on water, sanitation and health education : a workshop held at UNICEF Headquarters, 22-23 April 1981 », vol. no. 31. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. 16, ((11)) p., 1981.
J. M. Kalbermatten et Montanari, F. W.,
« The International Drinking Water Supply and Sanitation Decade : papers presented at Plenary Session, ASCE International Convention, New York, NY, May 11-15, 1981 ». ASCE, Environmental Impact Analysis Research Council, New York, NY, USA, 1981.
W. A. Pettyjohn,
« Introduction to artificial ground-water recharge ». US Environmental Protection Agency (EPA), Robert S. Kerr Environmental Research Laboratory, Ada, OK, USA, p. v, 44 p.: 23 fig., 1981.
IRC,
« IRC International Water and Sanitation Centre Annual Report 1980 ». IRC International Water and Sanitation Centre, The Hague, The Netherlands, p. 63, 1981.
WHO -Geneva, CH, World Health Organization, UNDP -New York, NY, US, et UNICEF -New York, NY, US,
« Journey for survival ». Dick Young Productions, New York, NY, USA, p. film (15 min.): 16 mm, 1981.
K. Rajagopal, Lohani, B. N., et Loehr, R. C.,
« Land application of sewage sludge - the status », vol. no. 2/3. Environmental Sanitation Information Center, ENSIC, Bangkok, Thailand, p. vii + 127 p. : 26 fig., 42 tab., 1981.
J. P. Lahaye,
« L'approvisionnement en eau du milieu rural en Africain Occidentale et Centrale ». Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. 22 p., 1981.
D. Hilton,
« L'enseignement sanitaire par les histoires ». Tearfund, Teddington, UK, p. 50 p.: drawings, 1981.
B. F. C. I. E. H. - Ouagadougou,
« Les questions sanitaires en milieu rural Africain ». Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. 56 p.: tab., 1981.
S. O. Adeyeni,
« Local materials as filter material in Nigeria », 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. 153-156.
T. Orum, Lindskog, P., Sawadogo, J., et Hassane, A.,
« Local water management in rural areas and small towns : case study : Banfora, Burkina Faso », in
Copenhagen informal consultation on integrated water resources development and management, 11-14 November, 1991 : case studies : Nordic Freshwater Initiative, 1981, p. 30 p.: 5 fig., 6 tab.