Penrose, H. E. <br/><br/>
Principles and practice of radar 
H. E. Penrose and R. S. H. Boulding. 
 - 3rd ed. 
 - London  George Newnes  1950 
 - xii, 708p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA Thesaurus<br/>Radar
<br/><br/><label>Universal Decimal Class. No.: </label>621.396.96  / PEN