1980 world survey of current research and development on roads and road transport / 
 Ninetten eighty world survey of current research and development on roads transport 
prepared for the Federal Highway Administration under contract no. dot-fh-11-8893 
 - 833 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería vial<br/>Investigación en carreteras
<br/><br/><label>LC Class. No.: </label>HE333  / I58 1980