1991
J. E. M. Smet, Cairncross, S., Killewo, J. Z. J., Maikwano, L. F., and van Asten, H.,
“Patterns of hookworm and ascaris infection in Dar es Salaam”,
Acta tropica, pp. p. 247-249: tab., 1991.
T. S. Katko,
Paying for water in developing countries, vol. no. 74. Tampere, Finland: Tampere University of Technology, 1991, p. 240 p.: fig., tab.
M. Borghei,
“Performance of small sewage works in Tehran”, in
Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, pp. P. 149-151: 2 tab.
P. Heyns,
“Perspective on water affairs”. Namibia, Department of Water Affairs, Investigations and Research, Windhoek, Namibia, p. 63 p.: 5 fig., 5 maps, 27 tab., 1991.
F. W. Pontius,
“Phase II organic and inorganic contaminant regulations”,
Journal American Water Works Association, pp. p. 20-22, 77-79: 8 tab., 1991.
D. K. D. A. N. I. D. A. - Copenhagen, Water, Eand Minera, and Development, W. Affairs an,
“Phase III of the Rural Water Supply Programme in Iringa, Mbeya and Ruvuma regions : final report of the First Annual Joint Tanzanian - Danish Review Mission, which took place from 26th August to 12 September 1991”. DANIDA, Ministry of Foreign Affairs, Copenhagen, Denmark, p. 2 vol. (vii, 55, 106 p.): fig., map, tab., 1991.
P. K. Koner, Joshi, J. C., and Chopra, K. L.,
“A photovoltaic water pump testing facility”,
RERIC international energy journal, pp. p. 81-97: 9 fig., 4 tab., 1991.
C. Departamen CO,
“Plan nacional de prevencion, control y erradicacion del colera”. Colombia, Departamento Nacional de Planeacion, Bogota, Colombia, p. 29 p. : tab., 1991.
N. O. N. O. R. A. D. - Oslo,
“Plan of operation for NORAD assistance to the government of Zimbabwe”. NORAD, Norwegian Agency for Development Cooperation, Oslo, Norway, p. 2 vols. : fig., tab., 1991.
“Pollution effects of brewery wastes : Ruaraka river”, in
Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, pp. p. 17-20: 5 fig., 1 tab.
P. M. A. A. Odira and Nairobi, K. E. University,
“Pollution profile of Thika river”, in
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W. Lutz and Toth, F. L.,
“Population, economy, and environment in Mauritius : proceedings of a task force meeting held under the UNFPA sponsored project "Population and Sustainable Development: Mauritius" at IIASA, Laxenburg, Austria, 3-5 September 1990”. International Institute for Applied Systems Analysis, Laxenburg, Austria, p. vii, 331 p.: fig., tab., 1991.
A. M. El Hadi and SD, K. Sugar Comp,
“Portable water treatment plant”, in
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N. Ahmad,
“Position paper local government department”. Balochistan Local Government and Rural Development Department, Quetta, Pakistan, p. 27 p. + 53 p. ann., 1991.
J. C. L. van Buren,
“Posttreatment methods for effluent of UASB reactors treating domestic water”. Agricultural University Wageningen, Wageningen, The Netherlands, p. 39 p. : fig., tab., 1991.
R. Helmer and Ballance, R. C.,
“Potable water quality requirements : WHO”,
Water supply : the review journal of the International Water Supply Association, p. p. IR 8/18 - IR 8/25 : 9 tab., 1991.
L. Y. Pouliquen,
“Poverty, infrastructure and the environment”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 26-29: photogr., 1991.
M. Ferroni and Kanbur, R.,
Poverty-conscious restructuring of public expenditure, vol. no. 9. Washington, DC, USA: World Bank, 1991, p. vii, 21 p. : 4 tab.
A. Scott,
“Power and people : aspects of micro-hydro”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 11-13: photogr., 1991.
D. M. Nielsen,
Practical handbook of ground-water monitoring. Chelsea, MI, USA: Lewis, 1991, p. x, 717 p.: fig., tab.