Grupo Especial de Trabajo de expertos jurídicos y técnicos sobre la preparación de un protocolo sobre clorofluorocarburos para el Convenio de Viena para la protección de la capa de ozono
Ad Hoc Working Group of Legal and Technical Experts for the Elaboration of a Protocol on Chlorofluorocarbons to the Vienna Convention for the Protection of the Ozone Layer · Ad Hoc Working Group of Legal and Technical Experts for the Preparation of a Protocol on Chlorofluorocarbons to the Vienna Convention for the Protection of the Ozone Layer · Vienna Group