@article {10780,
	title = {Low-temperature saturation of variable-range hopping and delocalization of electron states by entanglement with phonons in two dimensions},
	journal = {Physical Review B - Condensed Matter and Materials Physics},
	year = {2003},
	pages = {1402011-1402014},
	author = {Ye Xiong and X.C. Xie and Shi-Jie Xiong}
}
