@article{PhysRevFocus.14.1, title = {New Symmetry for Silicon}, author = {Cho, Adrian}, journal = {Phys. Rev. Focus}, volume = {14}, issue = {}, pages = {1}, numpages = {1}, year = {2004}, month = {Jul}, doi = {10.1103/PhysRevFocus.14.1}, url = {http://link.aps.org/doi/10.1103/PhysRevFocus.14.1}, publisher = {American Physical Society} }