Protection against radiation from brachytherapy sources. 

 - Bethesda :  NCRP,  1972. 
 - vi, 72 p. :  tabla, diagr. 
 - Report, no.<40> .
 - Estados Unidos. National council on radiation protection and measurements .
 - Report, no.<40> .
<br/><br/> Recommendations of the NCRP  Apéndices y bibliografía: p.36-52 
<br/><br/><label>ISSN: </label>0083-209X 
<br/><br/><label>Standard No.: </label>NCRP-REPORT-40