Walker, William H. <br/><br/>
Principles of chemical engineering 
<label>/ by </label> Walker, William H. 
<label>;</label> [et al] 
 - 3rd ed. 
 - New York  McGraw-Hill Book Co.  1937 
 - xi,749p.  ill.  24 cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>660.28  / W