Standard specifications for transportation materials and methods sampling and testing. 

 - 11a ed. 
 - Washington, D.C. :   The American Association of state Highway and Transportation Officials,   1974 
 - 2 t. :   il. ;   23 cm. 
<br/><br/> Incluye índice 
<br/><br/> P.1 Specifications --  P.2 Methods of simpling and testing. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Materiales para carreteras--Normas--Estados Unidos
<br/><br/><label>LC Class. No.: </label>TE200  / A44 1974