Merrill, Paul W. <br/><br/>
Lines of the chemical elements in Astronomical Spectra   
by Paul W. Merrill 
 - Washington  Carnegie Institution of washington  1956 
 - vii, 167p. 
 - Papers of the mount wilson observatory  V.IX Carnegre institution of washington publication 610 .
<br/><br/><label>Dewey Class. No.: </label>523.87  / N56