Commercial air transportation /
Main Author: | |
---|---|
Format: | Book |
Language: | English |
Published: |
Chicago :
R. D. Irwin,
1942.
|
Subjects: |
Item Description: | Map on lining-papers. |
---|---|
Physical Description: | xii, 493 pages ; illus., tables, diagrs. plates. ; 24 cm. |
Bibliography: | Bibliographical foot-notes. Bibliography: pages 455-460 and index. |