Schellen, H. <br/><br/>
Spectrum analysis in its application to terrestrial substances, and the physical constitution of the heavenly bodies 
H. Schellen                                                   
 - 2nd ed. 
 - London  Longmans, Green  1872 
 - xxvi, 662p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Spectrum analysis
<br/><br/><label>Universal Decimal Class. No.: </label>535.33  / SCH