Protocol relating to an amendment to the Convention on International Civil Aviation (Article 56), signed at Montreal on 6 October 1989 = Protocole portant amendement de la Convention relative à l'aviation civile internationale (Article 56), signé à Montréal le 6 octobre 1989 = Protokol kasai︠u︡shchiĭsi︠a︡ iėmenenii︠a︡ Konvent︠s︡ii o mezhdunarodnoĭ grazhdanskoĭ aviat︠s︡ii (Stat' i︠a︡ 56) podpisano v Monreale 6 okti︠a︡bri︠a︡ 1989 goda = Protocolo relativo a una enmienda al Convenio sobre Aviación Civil Internacional (Artículo 56), firmado en Montreal el 6 de octubre de 1989.
International Civil Aviation Organization.
Montreal, Quebec : International Civil Aviation Organization,
1989.
Cover title.
Aeronautics, Commercial