Boyer, Kenneth Duncan. <br/><br/>
Principles of transportation economics / 
Kenneth D. Boyer. 
 - Reading, Mass. :  Addison-Wesley,  c1998. 
 - xv, 416 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0321011031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.
<br/><br/><label>LC Class. No.: </label>HE151  / .B757 1998