Standard specifications for transportation materials and methods of sampling and testing. 

 - Washington :  American Association of State Highway and Transportation Officials,  1997 
 - v. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0560510765 
<br/><br/><label>ISSN: </label>0360-6902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Road materials--Standards--United States.
<br/><br/><label>Dewey Class. No.: </label>625.70218 AAS 625.70218  / AAS