Sawyer, Ralph A.. <br/><br/>
Experimental Spectroscopy /  Textual Documents 
Ralph A.Sawyer. 
 - 2nd ed. / 
 - New York :  Prentice-Hall, Inc. ,  1951. 
 - 357p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Spectroscopy G-Physics 
<br/><br/><label>Dewey Class. No.: </label>535.84  / Sa 97 Ex