Smith, D R <br/><br/>
Metamaterials and negative refractive index.  [electronic resource] 

 -  Science (New York, N.Y.)  Aug 2004 
 - 788-92 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1095-9203 
<br/><br/><label>Standard No.: </label>10.1126/science.1096796  doi