xviiith world road congress, Brussels 13-19 Sept. 1987:   Question iv. 

 - Brussels:  Permanent International Association of Road Congresses,  1987 
 - 471p.:  ill.;  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads<br/>Congresses
<br/><br/><label>LC Class. No.: </label>FCM HE332.W67 no.4