POLK, CHARLES <br/><br/>
HANDBOOK OF BIOLOGICAL EFFECYS OF ELECTROMAGNETIC FIELDS 

 - 4TH ED. 
 - BOCA RATON Estados Unidos  CRC  PRESS  1991 
 - 503 
<br/><br/><label>ISBN: </label>0849332656 
<br/><br/><label>LCCN: </label>14406 
<br/><br/><label>Dewey Class. No.: </label>574.1917