Ruhemann, M.  <br/><br/>
The separation of gases / 
M. Ruhemann. 
 - 2nd ed. 
 - Oxford :   Clarendon Press,  1949. 
 - 307 p. :  ill. ;  24 cm. 
 - The international series of monographs on physics. .
<br/><br/> Includes index. 
<br/><br/>318  318 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Separation of gases.
<br/><br/><label>Dewey Class. No.: </label>533.1 / R85s