Study concerning the present situation in regard to publicity of civil aviation and collection of provisions in force concerning the exchange or publication of information relating to civil aviation.
League of Nations.Organisation for Communications and Transit.
Geneva : League of Nations,
1932.
"Official no.: C.95.M.47.1932. VIII. ."
Includes two addenda; second addendum also in French with title: Etude au sujet de la situation existante en matière de publicité de l'aéronautique civile et Recueil des dispositions en vigueur touchant l'exchange ou la publicité de renseignements relatifs à l'aéronautique civile.
Aeronautics, Commercial.