Hoppes, D. D. <br/><br/>
Nuclear data for the efficiency calibration of germanium spectrometer systems   
by D. D. Hoppes, F. J. Schima. 
 - Washington  U.S. department of commerce  1982 
 - iv, 146p. 
 - National bureau of standards special publication 626 .
<br/><br/><label>Dewey Class. No.: </label>539.7217  / N821