Hay, William Walter, <br/><br/>
An introduction to transportation engineering 

 - New York,  Wiley  1961 
<br/><br/><label>ISBN: </label>4713364320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.
<br/><br/><label>Dewey Class. No.: </label>385.5 HAY