Moore, Charlotte E. <br/><br/>
Atomic energy levels :  as derived from the analysis of optical spectra / 
by Charlotte E. Moore. 
 - Washington, D.C. :  U.S. Government Printing Office,  1971. 
 - 3 vols. 
 - NSRDS-NBS ; 35 .
<br/><br/> Reprint of NBS circular ; 467 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nuclear energy.<br/>Optics.<br/>Spectral energy distribution.<br/>Spectrum analysis.
<br/><br/><label>Dewey Class. No.: </label>539.7