Lifshits, E.M. <br/><br/>
Supplement to Helium 

 - London:  Consultants Bureau, Inc,   1959. 
 - v,167p.:  ill.;  23.5 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Dewey Class. No.: </label>546.751  / LIF