Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer - Third edition Author anonymous Date 1993 Source IUCN (ID: MON-050913) Publisher | Place of publication Ozone Secretariat | Toronto, Canada Pages 170 p. Language English Field of application International Subject Air & atmosphere Keyword Ozone layer Abstract contains Helsinki and London Declarations Other references Treaty Montreal Protocol on Substances that Deplete the Ozone Layer Treaty | Multilateral | Montreal | Sep 16, 1987 Keyword: Ozone layer Source: IUCN (ID: TRE-000953)