Graphene calling.  [electronic resource] 

 -  Nature materials  Mar 2007 
 - 169 p.  digital 
<br/><br/> Publication Type: Comment; Editorial 
<br/><br/><label>ISSN: </label>1476-1122 
<br/><br/><label>Standard No.: </label>10.1038/nmat1858  doi