Beckers, Benoit <br/><br/>
Reconciliation of geometry and perception in radiation physics / 
Benoit Beckers, Pierre Beckers. 
 - xii, 168 pages :  illustrations ;  24 cm. 
<br/><br/>Includes index and bibliography : pages 161-166. 
<br/><br/><label>ISBN: </label>9781848215832  RM404.20