Resolution 421 Corporate author IUCN Date 1977 Source IUCN (ID: MON-092420) Title (French) Résolution 421 Title (Spanish) Resolución 421 Reference number GA 1977 RES 004 (13.421) Publisher | Place of publication IUCN | Gland, Switzerland Document type Soft law - Decision/resolution Conference name | place | date IUCN General Assembly | Geneva, Switzerland | 19770419-19770421 Language English, French, Spanish Field of application International Subject Environment gen. Keyword Institutional profiles Governance Full text GA_13_RES_421.pdf GA_13_FR_421.pdf GA_13_RES_421_ES.pdf Website portals.iucn.org