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Commercial air transportation.

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Bibliographic Details
Main Author: Frederick, John H. (John Hutchinson), 1896-
Format: Book
Language:English
Published: Homewood, Ill. : R.D. Irwin, 1955.
Edition:4th ed.
Subjects:
Aeronautics, Commercial > United States.
Description
Physical Description:547 pages : illustrations ; 24 cm.
Bibliography:Bibl. pages 501-506.