00486cam a2200157 i 4500 0471364339 629.4 HAY L-18, P-31 Hay, William Walter, An introduction to transportation engineering / William W. Hay. 2d ed. New York : Wiley, c1977. xvi, 652 p., [2] fold. leaves of plates : ill. ; 24 cm. 0 0 0 629_400000000000000_HAY Transportation. ddc BK 548122 548122 0 0 ddc 0 0 MCE MCE 2014-08-21 0 629.4 HAY MCE-24284 2014-08-21 2021-03-14 BK