Lyman, Theodore <br/><br/>
Spectroscopy of the extreme ultra-violet 

 - 2nd ed. 
 - London  Longmans  ©1928 
 - vii, 160 p. :  ill. ;  23 cm. 
<br/><br/> includes index 
<br/><br/>includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>photometry in ultra- violet<br/>photo electric and photo abiotic phenomena<br/>emission spectra
<br/><br/><label>Dewey Class. No.: </label>535.844  / N28