Limitation of exposure to ionizing radiation :  recommendations of the National Council on Radiation Protection and Measurements. 

 - Bethesda, MD :  The Council,  c1993. 
 - vi, 88 p. ;  23 cm. 
 - NCRP report ;  no. 116 .
<br/><br/> "Issued March 31, 1993." 
<br/><br/>Includes bibliographical references (p. 75-86) and index. 
<br/><br/><label>ISBN: </label>0929600304 
<br/><br/><label>LCCN: </label>93007142  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ionizing radiation--Safety measures.
<br/><br/><label>LC Class. No.: </label>RA569  / .N353 1993 
<br/><br/><label>Dewey Class. No.: </label>612.01448  / LEL