Wells, G. L. <br/><br/>
Process engineering with economic objective 
G. L.Wells 
 - Bucks  Leonard Hill  1973 
 - xx, 168p, ill  pbk 
<br/><br/><label>ISBN: </label>0249441160 
<br/><br/><label>LC Class. No.: </label>TS 176.W4 1973