Johnson R C <br/><br/>
Spectra / 
Johnson R C 
 -  Methuen & Co.Ltd, London,  1900 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical and paraphotic spectroscopy
<br/><br/><label>Dewey Class. No.: </label>535.84 JOH.M-S0