Ryans, J. L <br/><br/>
Process vacuum system design and operation  
J.L. Ryans 
 - New York :  McGraw-Hill,  c1986. 
 - xii, 356 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070543550  
<br/><br/><label>Subjects--Index Terms: </label>Vacuum pumps.  Chemical plants--Equipment and supplies. 
<br/><br/><label>Dewey Class. No.: </label>621.65  / RYA