Ballace Robert B., <br/><br/>
Maxcy-Rosenau Last Public & Prcventive Medicine  Textual Documents 

 - 15th ed. . 
 -  McGraw-Hill  2007 
 - 1367. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>614  / BAL