Air transportation in the United States, its growth as a business,

Air transportation in the United States, its growth as a business,

Zapisane w:
Opis bibliograficzny
1. autor: Knowlton, Hugh, 1893-
Format: Książka
Język:English
Wydane: Chicago, Ill., The University of Chicago press [1941]
Hasła przedmiotowe:
Aeronautics, Commercial > United States.
Opis
Opis fizyczny:vii, 72 p. incl. tables, diagrs. 21 cm.

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