Radio spectrum frequency management. 

 - [Washington]  1972. 
 - 26 p.  illus.  28 cm. 
 - National Cooperative Highway Research Program. Synthesis of highway practice, 13 .
 - Synthesis of highway practice ;  13. .
<br/><br/> "Project 20-5 FY '72." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0309020166 
<br/><br/><label>LCCN: </label>72009478  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio frequency allocation--United States.<br/>Highway communications.
<br/><br/><label>LC Class. No.: </label>HE8698  / .N35 
<br/><br/><label>Dewey Class. No.: </label>621.38417  / RAD