Classen H H <br/><br/>
Noble gases 

 -  1966 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>35983 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Gases<br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>E228, K61