Economics of water resources planning 2026-02-15T17:30:20+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - James, L. Douglas (Leonard Douglas), 1936; Lee, Robert R. (Robert Rue), 1932 (McGraw-Hill series in water resources and environmental engineering, 1970)