Ovens, E. Albert
Transportation and traffic management : Vol. 1 / E. Albert Ovens - 15th ed. - Chicago : The College of Advanced Traffic Inc., 1976 - x, 297 p. : ill., maps, diagrs. ; 19 cm. - Vol. 1 .
45012750
Transportation--United States.
Communication and traffic--United States.
HE203 / .W55 1944
385 / OVT
Transportation and traffic management : Vol. 1 / E. Albert Ovens - 15th ed. - Chicago : The College of Advanced Traffic Inc., 1976 - x, 297 p. : ill., maps, diagrs. ; 19 cm. - Vol. 1 .
45012750
Transportation--United States.
Communication and traffic--United States.
HE203 / .W55 1944
385 / OVT