@article {9799,
	title = {Metallic phase in quantum hall systems due to inter-landau-band mixing},
	journal = {Physical Review Letters},
	year = {2001},
	pages = {2168021-2168024},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/11736362},
	author = {Gang Xiong and Shi-Dong Wang and Qian Niu and De-Cheng Tian and X.R. Wang}
}
