Ceylon: Mahaweli Ganga irrigation and hydro-power survey, vol 6, irrigation, parts 1-3, systems
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| Format: | Texto biblioteca |
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1968
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| Subjects: | IRRIGATION, IRRIGATION SYSTEMS, HYDRAULIC ENGINEERING, PLANNING, ENGINEERING, CANALS, WATER REQUIREMENTS, CROPS, RESEAU D'IRRIGATION, RIEGO, SISTEMAS DE RIEGO, GENIE HYDRAULIQUE, PLANIFICATION, INGENIERIE, CANAL, BESOIN EN EAU, PLANTE DE CULTURE, INGENIERIA HIDRAULICA, PLANIFICACION, INGENIERIA, CANALES, NECESIDADES DE AGUA, CULTIVOS, |
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