@article {9839,
	title = {Manipulation of band electrons with a rectangular-wave electric field},
	journal = {Journal of Physics Condensed Matter},
	year = {1999},
	pages = {4527-4538},
	doi = {10.1088/0953-8984/11/23/307},
	author = {Ming Jun Zhu and Xian-Geng Zhao and Qian Niu}
}
