Medical X-ray protection up to three million volts 
National Committee on Radiation Protection and Measurements 
 - Washington  U. S. Department of Commerce  1958 
 - viii, 52 s.  tbl.  18 cm. 
 - Handbooks of the National Bureau of Standards  no. 76 NCRP report  no. 26 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>X rays.
<br/><br/><label>Dewey Class. No.: </label>612.01448 MED 1958