Ecological principles for economic development 2026-02-15T22:41:09+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Dasmann, Raymond Fredric, 1919-; Freeman, Peter H.; Milton, John P. (published for the International Union for Conservation of Nature and Natural Resources (IUCN), Morges, Switzerland and the Conservation Foundation, Washington, D.C., USA; [by] John Wiley & Sons, 1973)