@article{PhysRevFocus.12.10, title = {Copper Pentagons}, author = {Krieger, Kim}, journal = {Phys. Rev. Focus}, volume = {12}, issue = {}, pages = {10}, numpages = {1}, year = {2003}, month = {Sep}, doi = {10.1103/PhysRevFocus.12.10}, url = {http://link.aps.org/doi/10.1103/PhysRevFocus.12.10}, publisher = {American Physical Society} }