Richardson, William Stobbart,    1904- <br/><br/>
The discovery of the inert gases /  
[by W. S. Richardson and J. Ha ll] 
 - London :    Harmondsworth :    Longmans;    Penguin,    1968. 
 - [2], 18 p. :    ill., ports. ;    20 x 21 cm. 
 - Chemistry background books ;    stage 3 .
<br/><br/><label>ISBN: </label>058204345X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Gases, Rare.
<br/><br/><label>Dewey Class. No.: </label>540