National regulation of aeronautics
By: by Charles C. Rohlfing.
Published: 1931
Place of publication: Philadelphia
Language: eng
Number of pages: 298
Subjects: Aeronautics -- Law and legislation -- United States.; Aeronautics, Commercial -- United States.
Notes: Bibliography: p. 264-276.
Thesis (Ph. D.)--University of Pennsylvania, 1931.
Published also without thesis note.