Judd, Brian R. <br/><br/>
Operator techniques in atomic spectroscopy. 

 - New York,  McGraw-Hill  [1963] 
 - ix,242 p.  illus.  24 cm. 
 - McGraw-Hill advanced physics monograph series .
<br/><br/><label>Subjects--Index Terms: </label>Atomic spectroscopy--Mathematics  Calculus, Operational  Continuous groups 
<br/><br/><label>Dewey Class. No.: </label>539/.14  / JUD