Tomas, Edwin N, <br/><br/>
Introduction to a systems approach to transportation problems / 
By Edwin n. Thomas and Joseph l. schofer. 
 - 65 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transporte
<br/><br/><label>LC Class. No.: </label>HE181  / T43