@article {10767,
	title = {Negative magnetoresistance in the nearest-neighbor hopping conduction},
	journal = {Europhysics Letters},
	year = {1997},
	pages = {55-60},
	doi = {10.1209/epl/i1997-00534-y},
	author = {X.R. Wang and X.C. Xie}
}
