An edition of Environment : amendment to the Montreal protocol on substances that deplete the ozone layer (with annexes), London, June 29, 1990, acceded to by Canada July 5, 1990, in force for Canada August 10, 1992 = (1992)

Environment : amendment to the Montreal protocol on substances that deplete the ozone layer (with annexes), London, June 29, 1990, acceded to by Canada July 5, 1990, in force for Canada August 10, 1992 =

Environnement : amendement au protocole de Montréal relatif à des substances qui appauvrissent la couche d'ozone (avec annexes), Londres, le 29 juin 1990, adhésion du Canada le 5 juillet 1990, en vigueur pour le Canada le 10 août 1992.

By Canada. External Affairs and International Trade Canada.