Conference on ionizing radiation measurments (Gaithersburg,1980) <br/><br/>
Proceedings of a meeting on traceability for ionizing radiation measurements   
ed.by H Thompson Heaton 
 - Washington  U.S.Department of Commerce  1982 
 - vi, 181p. 
 - NBS special publications  No.609 .
<br/><br/><label>Dewey Class. No.: </label>539.77  / N82