Babko A K <br/><br/>
Photometric analysis: methods of determination non metals 

 - Moscow  Mir           1976 
 - 374p.  cm. 
<br/><br/><label>Standard No.: </label>47825 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>E:25, L6