Layton, D. <br/><br/>
The allotropy of carbon and sulphur 

 - London:  Olover & boyd ltd,  1967. 
 - 70p.  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>540   / LAY