ALAN S. FOUST <br/><br/>
PRINCIPALES OF UNIT OPERATIONS 

 - 2 nd ED. 
 - NEW DELHI  WILLEY INDIA  1960 
 -  768P 
<br/><br/><label>Subjects--Topical Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>660.2/PRI