Maximum permissible body burdens and maximun permissible concentrations of radionuclides in air and in water for occupational exposure. 

 - Washington :  NCRP,  1959. 
 - viii, 95 p. :  tabla 
 - Report, no.<22>=490  1\  Handbook, no.<69> .
 - Estados Unidos. National committee on radiation protection and measurements Estados Unidos. National bureau of standards .
 - Report, no.<22>=830  #\  Handbook, no.<69> .
<br/><br/> Recommendations of the NCRP 
<br/><br/><label>Standard No.: </label>NCRP-REPORT-22