Radiation quantities and units. 

 - Bethesda, Md. :  ICRU,  1980. 
 - Report 33 .
 - ICRU .
 - Report 33 .
<br/><br/><label>ISBN: </label>0913394289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RADIACIONES -MEDICION Y CONTROL
<br/><br/><label>Universal Decimal Class. No.: </label>539.12.08