Unit operations / 
George Granger Brown...[et al.] 
 - New York :  Wiley,  c1950 [ Printing 1966 ] 
 - xii, 611 p. :  ill. ;  29 cm. 
<br/><br/>Includes index and bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical engineering.
<br/><br/><label>Dewey Class. No.: </label>660.28  / UNI 1956