Sawyer, Ralph A.  1895-1978. <br/><br/>
Experimental spectroscopy, 

 - New York,  Prentice-Hall, inc.,  1944. 
 - 323 p.  il., diagrs.  24 cm. 
<br/><br/>Bibliography at end of each chapter. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectrum analysis<br/>Análisis de espectro<br/>Spectroscope<br/>Espectroscopio