TY  - GEN
ED  - Gran BretaÃ±a
TI  - Vienna Convention for the protection of the ozone layer: : (open for signature at Vienna from 22 march to 21 september 1985 and then at United Nations headquarters, New York, until 21 march 1986)
KW  - ContaminaciÃ³n atmosfÃ©rica
KW  - Clima
KW  - ConvenciÃ³n ONU
KW  - Tratado internacional
N2  - Ademas de la ConvenciÃ³n de Viena, estÃ¡n el Protocolo de Montreal, las correcciones y las enmiendas
ER  -