Johnson, Emory R.
Transportation : economic principles and practices / Emory R Johnson, Grover Gerhardt Huebner and G Lloyd Wilson. - New york : Appletion-century-crofts, 1940. - 678 p. ; 23 cm.
Includes index.
323 323
Transportation--United States.
385 / J631t
Transportation : economic principles and practices / Emory R Johnson, Grover Gerhardt Huebner and G Lloyd Wilson. - New york : Appletion-century-crofts, 1940. - 678 p. ; 23 cm.
Includes index.
323 323
Transportation--United States.
385 / J631t