@article{Vogelsang1999,
	title = {Two Simple Procedures for Testing for a Unit Root When There are
	Additive Outliers},
	author = {Timothy J. Vogelsang},
	day = {60},
	journal = {Journal of Time Series Analysis},
	month = {Mar},
	note = {doi: 10.1111/1467-9892.00135},
	number = {2},
	pages = {237--252},
	url = {http://www.blackwell-synergy.com/doi/abs/10.1111/1467-9892.00135},
	volume = {20},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/222e77449ba7941bf88713d7465ec4e5d/smicha},
	keywords = {imported }
}