B. N. Lohani and Evans, J. W.,
Appropriate environmental standards for developing countries, vol. no. 35. Bangkok, Thailand: Environmental Systems Information Center, 1993, p. 93 p.: 25 fig., 40 tab.
J. J. Hukka,
“Appropriate water and waste management infrastructure for the urban slums and squatter settlements”, in
Workshop on management of urban water services, Tampere 25.4.1991, 1993, pp. P. 6-40: 1 box, 14 fig., 15 tab.
C. Edwards,
“The coil pump : its potential as a low cost water lifting device”. University of East Anglia, School of Development Studies, Norwich, UK, p. 49 p. : fig., 1993.
F. van der Kleij,
“Cultural awareness in water supply and sanitation projects”. Silsoe College, Cranfield Institute of Technology, Bedford, UK, p. v, 25 p. : 1 fig., 1 tab., 1993.
T. A. Dabbagh, Al-Saqabi, A., Sadler, P., and Sadeqi, M.,
“Desalination : the neglected option”, presented at the 1993-01-01, Safat, Kuwait, 1993, p. 44 p.: 7 fig., 7 tab.
R. B. Reneau, Hagedorn, C., Kellam, J. L., and Boardman, G. D.,
“Evaluation of the performance of five aerated package treatment systems”, vol. no. 178. Virginia Water Resources Research Center, Blacksburg, VA, USA, p. x, 146 p. : 15 fig., 26 tab., 1993.
D. A. Gupta,
Groundwater contamination, vol. no. 34. Bangkok, Thailand: Environmental Systems Information Center, 1993, p. 107 p.: fig., tab.