@article {9973,
	title = {Geometric optics of Bloch waves in a chiral and dissipative medium},
	journal = {Physical Review A - Atomic, Molecular, and Optical Physics},
	year = {2010},
	doi = {10.1103/PhysRevA.81.053803},
	author = {Chuanwei Zhang and Qian Niu}
}
