M. H. Ledford

Computer applications in the US trucking industry.

N A Glaskowsky, Paul Sugrue, M. H. Ledford, 1982 .

OPERATING ECONOMIES OF SCALE IN THE U.S. LONG-HAUL COMMON CARRIER, MOTOR FREIGHT INDUSTRY

M. H. Ledford, P. Sugrue, N. A. Glaskowsky, 1982 .