@article{LindenEnkrichDollingetal.2006, author = {S. Linden and Christian Enkrich and G. Dolling and M. Klein and J. Zhou and T. Koschny and C. Soukoulis and Sven Burger and Frank Schmidt and M. Wegener}, title = {Photonic metamaterials: Magnetism at Optical Frequencies}, journal = {IEEE Journal of Selected Topics in Quantum Electronics}, volume = {12}, number = {6}, pages = {1097 -- 1105}, doi = {10.1109/JSTQE.2006.880600}, year = {2006}, }