National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, National Research Council (U.S.). Highway Research Board. Committee on Highway Engineering Economy, & National Research Council (U.S.). Highway Research Board. Committee on Orignin and Destination. (1965). Engineering economy: 6 reports ; presented at the 44th Annual Meeting, January 11-15, 1965. Highway Research Board of the Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council.

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, National Research Council (U.S.). Highway Research Board. Committee on Highway Engineering Economy, and National Research Council (U.S.). Highway Research Board. Committee on Orignin and Destination. Engineering Economy: 6 Reports ; Presented at the 44th Annual Meeting, January 11-15, 1965. Washington, D.C: Highway Research Board of the Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council, 1965.

National Research Council (U.S.). Highway Research Board, et al. Engineering Economy: 6 Reports ; Presented at the 44th Annual Meeting, January 11-15, 1965. Highway Research Board of the Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council, 1965.