Hougen O A <br/><br/>
Chemical process principles 

 -  1947 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>58397 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>E20F, H7.1