Leakey, M D <br/><br/>
Stone artefacts from Swartkrans.  [electronic resource] 

 -  Nature  Mar 1970 
 - 1222-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/2251222a0  doi