@article{Shin1993a,
	title = {Testing for a unit root in autoregressive processes with systematic
	but incomplete sampling},
	author = {Dongwan Shin and Sastry G. Pantula},
	day = {15},
	journal = {Statistics \& Probability Letters},
	month = {Oct},
	number = {3},
	pages = {183--190},
	url = {http://www.sciencedirect.com/science/article/B6V1D-45F5VP7-2P/1/18b9e45fd80d0d053a31db75526495f3},
	volume = {18},
	year = {1993},
	biburl = {http://www.bibsonomy.org/bibtex/28c1202a1c42ec29c958df9bef284837f/smicha},
	keywords = {Dickey--Fuller tests }
}