TY - BOOK AU - Wright, Paul H. AU - Ashford,Norman J. TI - Transportation engineering : planning and design SN - 0-471-50328-2 U1 - 629.04 PY - 1982/// CY - New York PB - John Wiley KW - Civil engineering KW - Transportation KW - Transportation- Planing N1 - Includes bibliographical references and index ER -