1.
The left-handed property of the composite structure of metallic wires in an anisotropy medium host
by Bai, Yang
Applied Physics Letters, 02 March 2009, Vol.94(9)

2.
Left-handed behavior and low-loss passband in a ferromagnetic sandwich structure
by Xu, Fang
Applied Physics Letters, 14 September 2009, Vol.95(11)
