Walker, O. J. <br/><br/>
Absorption spectrophotometry 
O. J. Walker                                                
 - London  Adam Hilger  1939 
 - 67p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectrophotometry<br/>Spectroscopy
<br/><br/><label>Universal Decimal Class. No.: </label>535.33  / WAL