E. J. M. Kobus et Pieper, J. W.,
« Putverstopping », vol. nr. 1. KIWA, Rijswijk, The Netherlands, p. 49 p., 1973.
J. Water Reso JM, London, G. B. Inter- Tech, et London, G. B. O. D. A. -,
« Report on rainwater catchment project Jamaica ». Inter-Technology Services, London, UK, p. v, 92 p. + ca. 50 p. annexes : maps, 1973.
IDRC -Ottawa, Ont., CA, International Development Research Centre,
« Rural water supply and sanitation, Lausanne seminar, 29 May- 1 June, 1973 : working papers no. 1, 4, 8, 11-17 ». International Development Research Centre (IDRC), Ottawa, Ont, Canada, p. Various paging, 1973.
S. Siber,
« Slow sand filtration for small communities and rural areas », vol. no. 73-02. Middle East Technical University, Faculty of Engineering, Ankara, Turkey, p. 38, 9 p.: graphs, tab., 1973.
M. N. Rao et Sastry, C. A.,
« Studies on Nirmali seed extract as coagulant aid »,
Journal of Indian Water Works Association, p. p. 242-246 : 1 tab., 1973.
E. Vlachos,
Transfer of water resources knowledge : proceedings of the first international conference, September 1972, Fort Collins, Colorado, U.S.A. Fort Collins, CO, USA: Water Resources Publications, 1973, p. xxii + 540 p. : fig., tab.
B. L. Campbell,
Two water case studies, vol. no. 5. Kathmandu, Nepal: Nepal, Department of Local Development, 1973, p. i, 31 p.