Larsen Egen,  <br/><br/>
Radar Work Like This 

 - New Delhi  Central Hindi Directorate  1900 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radar--Generalia--Applied physicsEngineering & allied operations 
<br/><br/><label>Dewey Class. No.: </label>621.38  / LAR-R