Truck congestion on uphill grades :
[paper presented at the] National Academy of Science - Highway Research Board annual meeting January 11-14, 1955, Washington D.C.
APA Citation
Willey, W. E., National Research Council (U.S.). Highway Research Board., National Academy of Sciences (U.S.). (1955). Truck congestion on uphill grades: [paper presented at the] National Academy of Science - Highway Research Board annual meeting January 11-14, 1955, Washington D.C. Phoenix: [Arizona Highway Dept.] Division of Economics and Statistics.
MLA Citation
Willey, William E, National Research Council (U.S.). Highway Research Board, and National Academy of Sciences (U.S.). Truck Congestion On Uphill Grades: [paper Presented At The] National Academy of Science - Highway Research Board Annual Meeting January 11-14, 1955, Washington D.C. Phoenix: [Arizona Highway Dept.] Division of Economics and Statistics, 1955.