Gupta, Om Perkash. <br/><br/>
Chemical engineering / 
Om Perkash Gupta 
 - Delhi  :  Khanna publishers,  1980. 
 - 469p. :  ill. ;  22 cm. 
<br/><br/><label>LCCN: </label>64114325  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical engineering .
<br/><br/><label>LC Class. No.: </label>TP576  / .W69 1981 
<br/><br/><label>Dewey Class. No.: </label>660  / GUP