Domestic transportation : practice, theory, and policy / Roy J. Sampson, Martin T. Farris, David L. Shrock. Sampson, Roy J. Farris, Martin T. Shrock, David L. Transportation United States. Freight and freightage United States. HE206.2 .S25 1985 385 19 SAD Includes bibliographical references and index. Boston : Houghton Mifflin Co., c1985. c1985. 1985 Text xiv, 640 p. : eng United States. United States.