@article {10623,
	title = {Field emission of individual carbon nanotube with in situ tip image and real work function},
	journal = {Applied Physics Letters},
	year = {2005},
	pages = {1-3},
	doi = {10.1063/1.2103420},
	author = {Zhi Xu and X.D. Bai and E.G. Wang and Zhong L. Wang}
}
