Ahrens, L.H.  <br/><br/>
Spectrochemical analysis; a treatise on the d-c arc analysis of geological and related materials  (Book) 

 - 2nd ed. 
 -  Reading, Mass., Addison-Wesley Pub. Co.  1961 
 - 454 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectrum analysis
<br/><br/><label>Universal Decimal Class. No.: </label>543.42 : 549.1 AHR  / 69