Procceding - Symposium Ecology of Groundwater in the Southwestern United States. ( 1961 : Tempe, Arizona); Fletcher, Joel ((s.l.) : Southwestern and Rocky Mountain Division of the American Association for the Advancement of Science, 1965)
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Keywords: Agua subterranea; Agua subterranea -- E.U.A.; Agua subterranea -- Regiones aridas