Hougen, Olaf A.,  1893- <br/><br/>
Chemical process principles / 
Olaf A. Hougen, Kenneth M. Watson, Roland A. Ragatz. 
 - 2nd ed. 
 - New York :  Wiley,  1954. 
 - v. ;  23 cm. 
<br/><br/>Pt.1. Material and energy balances -- pt.2. Thermodynamics. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical engineering.<br/>Chemistry, Physical and theoretical.