00302nam a2200109Ia 450000500170000000800410001708200120005810000190007024500510008926000440014030000080018420260225051022.0260224s9999||||xx |||||||||||||| ||und|| a385 HAY aWilliam H. Way 3aAn introduction to transportation engineering  aNew York: John Wiley & Sons Co. c1961 a505