The domestic air transportation network of the United States
By: [by] Walter F. Wacht.
Series: Research paper - University of Chicago, Dept. of Geography,; no. 154; Research paper (University of Chicago. Dept. of Geography) ;; no. 154.
Publisher: University of Chicago, Dept. of Geography
Published: 1974
Place of publication: [Chicago]
Language: eng
Number of pages: 98
Subjects: Aeronautics, Commercial -- United States.
Notes: Bibliography: p. 97-98.