1994
D. D. Mara and Curtis, T. P.,
The effect of sunlight on mechanisms for the die-off of faecal coliform bacteria in waste stabilization ponds, vol. no. 1. Leeds, UK: University of Leeds, Department of Civil Engineering, 1994, p. x, 94 p.: fig., 1 photogr., tab.
D. D. Mara, Ayres, R., Lee, D., and Stott, R.,
An experimental evaluation of potential risks to human health from parasitic nematodes in wastewaters treated in waste stabilization ponds and used for crop irrigation, vol. no. 6. Leeds, UK: University of Leeds, Department of Civil Engineering, 1994, p. xii, 73 p. : fig., tab.
N. L. I. W. T. Founda Amsterdam,
“Mining : Second Water Tribunal”, presented at the 1994-01-01, Utrecht, The Netherlands, 1994, vol. vol. 1, p. 304 p.: fig., map, tab.
W. Wiederkehr,
“Policies of tariffs”,
Water supply : the review journal of the International Water Supply Association, pp. p. IR 3.1 - 3.43: fig., tab., 1994.
E. Ministry o EG and IWRA -Urbana, IL, US,
“Satisfying future national and global water demands : proceedings : VIII IWRA world congress on water resources, Cairo, Egypt, November 21 - 25, 1994”. International Water Resources Association, Urbana, IL, USA, p. 3 vol. (ca. 700, 700, 100 p.): fig., maps, tab., 1994.
J. Mde Azevedo Netto, Bakalian, A., Wright, A., and Otis, R.,
“Simplified sewerage : design guidelines”, vol. no. 7. UNDP-World Bank Water and Sanitation Program, Washington, DC, USA, p. v, 34 p.: 16 fig., 6 tab., 1994.
B. Vereecken and van den Bergh, R.,
Water : three cultures in search of balance. The Hague, The Netherlands: SDU, 1994, p. 208 p.: Mainly photogr.