Atherton, N M <br/><br/>
Lawrence memorial fund.  [electronic resource] 

 -  Nature  Jul 1971 
 - 69 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/232069a0  doi