Hydrological problems related to artificial and natural changes in quality of waters.

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Bibliographic Details
Main Author: Unesco eng
Format: Texto biblioteca
Language:
Published: 1969
Subjects:LA SC HYMIDEC, WATER QUALITY, HYDROLOGY, RESEARCH PROJECTS, WATER POLLUTION, GROUNDWATER, SURFACE WATER, POLLUTION CONTROL, QUALITE DE L'EAU, HYDROLOGIE, PROJET DE RECHERCHE, CALIDAD DEL AGUA, HIDROLOGIA, PROYECTOS DE INVESTIGACION, POLLUTION DE L'EAU, EAU SOUTERRAINE, EAU SUPERFICIELLE, LUTTE ANTIPOLLUTION, POLUCION DEL AGUA, AGUAS SUBTERRANEAS, AGUA SUPERFICIAL, CONTROL DE LA CONTAMINACION,
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