Protection against neutron radiation up to 30 million electron volts 

 - Washington  U. S. Department of Commerce  1957 
 - vi, 88 s.  tbl., graf.  20 cm. 
 - National Bureau of Standards handbook  63 .
<br/><br/>Kaynakça var. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiation--Safety measures.
<br/><br/><label>Dewey Class. No.: </label>539.7213 PRO 1957