@article{ISI:000244646100090, title = {Comment on ``negative refraction at optical frequencies in nonmagnetic two-component molecular media{''} - Reply}, author = {Chen, Yi-Fan and Fischer, Peer and Wise, Frank W.}, journal = {PHYSICAL REVIEW LETTERS}, volume = {98}, number = {5}, year = {2007}, doi = {10.1103/PhysRevLett.98.059702} }