Air transport policy - International organization - An appreciation of the responsibilities and tasks of I.C.A.O. in the economic field as suggested by the results of the IVth Assembly (May 30th - June 20th 1950)
Series: I.F.T.A. Research paper -- no. 188
Published: 1950
Place of publication: Paris
Language: eng
Number of pages: 24
Notes: Cover-title.

English issue.