Protocol relating to an amendment to the Convention on International Civil Aviation (Article 50 a), signed at New York on 12 March 1971 [electronic resource] = Protocole portant amendement à la Convention relative à l'aviation civile internationale (Article 50 a), signé à New-York le 12 mars 1971 = Protocolo relativo a una enmienda al Convenio Sobre Aviación Civil Internacional (Artículo 50 a), firmado en Nueva York el 12 de marzo de 1971.
International Civil Aviation Organization.
Montreal, Quebec : International Civil Aviation Organization,
1971.
Cover title.
English, French, and Spanish.
Description based on print version record.
Aeronautics, Commercial