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Filters: Keyword is swamps  [Clear All Filters]
J. C. Heun, Farczadi, L., y de, M. M. Groen, «Ravilla - 2 : water resources management roleplay : information to participants». IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. vi, 14 p. + ca. 26 p. annexes : fig., tabs., 1999.
E. G. Pike, Engineering against schistosomiasis / bilharzia : guidelines towards control of the disease. Basingstoke, UK: Macmillan, 1987, p. vi, 234 p.: fig., photogr.
J. Balek, Hydrology and water resources in tropical Africa, vol. no. 8. Amsterdam, The Netherlands: Elsevier Science, 1977, p. 208 p. : fig., loose map, tab.
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