Low cost roads :  design, construction and maintainence / 
drafted by a group of international experts, L. Odier ... [et al.] under the responsibility of UNESCO. 
 - London :  Butterworths,  1971. 
 - [8], 158 p. :  ill. 
<br/><br/> Translation of Routes dans les pays en voie de d�eveloppement, conception, construction, entretien. 
<br/><br/><label>ISBN: </label>0408700793 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Design and construction<br/>Roads--Design and construction