1974. world survey of current research and development on roads and road transport a report covering an international survey of current research and development on roads and road transport. 
 A report covering an international survey of current research and development on roads and road transport. 

 - 493 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería vial<br/>Investigación en carreteras
<br/><br/><label>LC Class. No.: </label>TE1  / F421974