not so common view of the ground transportation problem
By: Martin Wohl.
Series: Paper / Rand -- P-3736; P (Rand Corporation) -- P-3736.
Publisher: Rand Corp.
Published: 1967
Place of publication: Santa Monica., Calif
Language: eng
Number of pages: 23
Subjects: Aeronautics, Commercial.; Roads.
Notes: "Paper submitted for publication in the Journal of the Aero-Space Transprt Division, American Society of Civil Engineers."

"Principal sources of data": p. 22-23.