Riegel E R <br/><br/>
Industrial chemistry 
Riegel E R 
 -  1952 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>42377 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Dewey Class. No.: </label>F, H2