Bitumen in road surfacing. 

 - London :   Shell International Petroleum,   1963. 
 - 96 p. :   il. ;   24 cm,. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ASFALTO<br/>CARRETERAS<br/>MANUFACTURA
<br/><br/><label>Universal Decimal Class. No.: </label>665.775