Conference of radiation control program directors,Inc. <br/><br/>
Requirements for an effectve national ionizing radiation measurments program   

 - Washington  U.S. Department of Commerce  1981 
 - xvi, 53p. 
 - NBS Special Pulication  No.603 .
<br/><br/><label>Dewey Class. No.: </label>539.72  / N81