Sherer, M A S& et al <br/><br/>
Radiation Protection in Medical Radiography 

 - 7th edition 
 -  Elsevier  2014 
 - 1-250pages 
 - Radiography 
<br/><br/><label>ISBN: </label>978-0-323-22216-7 
<br/><br/><label>Nat. Bib. No.: </label>005055 
<br/><br/><label>Dewey Class. No.: </label>616-073 S32