1990
M. E. Bentley and Herman, E.,
“Manuals for ethnographic data collection : experience and issues”. Johns Hopkins University, School of Hygiene and Public Health, Baltimore, MD, USA, p. ii, 29 p. + annexes (ca. 10 p.), 1990.
M. C. Viland,
“Manuel pratique : controle bacteriologique de l'eau par la methode "milliva"”. Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ), Eschborn, Germany, p. 34 p.: fig., drwng., 1990.
Z. W. Associatio Harare,
“Marketing : how to find a market for your products?”. Association of Women's Clubs, Harare, Zimbabwe, p. video (20 min.): VHS, 1990.
P. H. J. Caplen,
“Micro hydro for an isolated rural water supply”,
Water resources journal, p. p. 34, 34a, 35: fig., tab., 1990.
M. Chaudhuri and Datta, A. K.,
“Microbial purification in slow sand filter”,
Environmental toxicity and water quality, pp. p. 239-247: 2 fig., 1990.
R. Alward, Odeyemi, O., Lawand, T., and Collett, R.,
“Microbiological aspects of solar water disinfection”, in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, pp. P. 155-183: fig., tab.
J. C. Enderman, de Lavieter, L., Cals, J. E. H. M., van Vloten, A. A., and Drion, B.,
“Milieu-thesaurus : systeem van gecontroleerde termen voor het ontsluiten van milieu-informatie”. Centrale Ingang Milieu Informatie, Bilthoven, The Netherlands, p. various paging (loose leaf), 1990.
I. D. Yayasan Di Yogyakarta, Jakarta, I. D. U. N. I. C. E. F. -, and Jakarta, I. D. National D.,
“Monitoring and evaluation of public hydrants & water terminals in North Jakarta : final report”. Yayasan Dian Desa, Yogyakarta, Indonesia, p. ca. 140 p.: fig., tab., maps, 1990.
N. L. I. L. A. C. O. - Arnhem, YE, Y. Ministry o, and DGIS, D. General fo,
“Monitoring of hydrological and meteorological characteristics in Al Bayda province 1988”. Ilaco, Arnhem, The Netherlands, p. ii, 185 p. : 11 fig., 1990.
J. Ramakrishna, Sridhar, M. K. C., Adeniyi, J. D., and Brieger, W. R.,
“Monitoring use of monofilament nylon water filters for Guineaworm control in a rural Nigerian community”,
International quarterly of community health education, pp. p. 5-18: tab., 1990.
I. N. U. N. I. C. E. F. - Ne Delhi, Delhi, I. N. Centre for, and IN, I. Rajiv Gand,
“National colloquium on role of women in water resource management : report : 16-18 August, India International Centre, New Delhi, India”. Centre for Women's Development Studies, New Delhi, India, p. 71 p., 1990.