Protection against neutron radiation 
National Council on Radiation Protection and Measurements 
 - Bethesda  NCRP  1992 
 - 1 c.  graf.  20 cm. 
 - National Council on Radiation Protection and Measurements  NCRP report  no. 38, 40, 41 .
<br/><br/>Kaynakça var. 
<br/><br/>no. 38 : Protection against neutron radiation no. 40 : Protection against radiation from brachytherapy sources no. 41 : Specification of gamma-ray brachytherapy sources 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gamma rays--Physiological effect.<br/>Radiation--Measurement.<br/>Radiotherapy--Safety measures.<br/>Radiation --Safety measures.
<br/><br/><label>Dewey Class. No.: </label>539.77 PRO 1992