Hougen, Olaf A.  <br/><br/>
Chemical process principles / 
Olaf A. Hougen ; Kenneth M. Watson and Roland A. Ragatz. 
 - 2nd ed. 
 - New York :   J. Wiley, cop. 1943.  c 1964. 
 - Part :  ill. ;  22 cm. 
<br/><br/> Includes Index. 
<br/><br/>Part, 1- Material and energy balances ; 
<br/><br/>313  313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical processes.<br/>Chemistry, Physical and theoretical
<br/><br/><label>Dewey Class. No.: </label>660.28 / H814c