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National transportation strategic planning study
(1990)
Transportation in America's future : potentials for the next half century
Curry, David, (1979)
The situation in North America
Boyd, Alan S., (1968)
Adapting to new regulatory regimes
Waters, L. L., (1976)
Competition in freight transport
Waters, L. L., (1964)
Impact of highways on development of developing countries
Waters, L. L., (1972)