Penrose, Harold Ernest   <br/><br/>
Principles and practice of radar 
Harold Ernest Penrose and Reginald Sidney Henry Boulding 
 - 3rd ed. 
 - London  George Newnes  1950 
 - xii+708p.  plates 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radar
<br/><br/><label>Universal Decimal Class. No.: </label>621.396.9  / PEN