@article {6343,
	title = {To detect the looped Bloch bands of Bose-Einstein condensates in optical lattices},
	journal = {Physics Letters, Section A: General, Atomic and Solid State Physics},
	year = {2003},
	pages = {558-563},
	doi = {10.1016/j.physleta.2003.09.066},
	author = {Dae-Il Choi and Biao Wu}
}
