Fischer, Peer Max Planck Institute for Medical Research, Max Planck Society;
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.98.059702 (Any fulltext)
https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.98.059702 (Any fulltext)
Chen, Y.-F., Fischer, P., & Wise, F. W. (2007). Comment on "negative refraction at optical frequencies in nonmagnetic two-component molecular media" - Reply. Physical Review Letters, 98(5): 059702. doi:10.1103/PhysRevLett.98.059702.