Vajk, O P <br/><br/>
Quantum impurities in the two-dimensional spin one-half Heisenberg antiferromagnet.  [electronic resource] 

 -  Science (New York, N.Y.)  Mar 2002 
 - 1691-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1095-9203 
<br/><br/><label>Standard No.: </label>10.1126/science.1067110  doi