Hefley, Gifford   <br/><br/>
Development of loran-c navigation timing  

 - Colorado:   U.S. Department of Commerce,   1972 
 - 144p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Development 
<br/><br/><label>Subjects--Index Terms: </label>Navigation  
<br/><br/><label>Universal Decimal Class. No.: </label>621.39  / L2