@article{Ahmad1991,
	title = {Locally most powerful test for testing the equality of variances
	of two linear models with common regression parameters},
	author = {Manzoor Ahmad and Yogendra P. Chaubey},
	journal = {Statistics \& Probability Letters},
	month = {Feb},
	number = {2},
	pages = {149--153},
	url = {http://www.sciencedirect.com/science/article/B6V1D-45D9T7V-1B/1/bbac8bb5c396ba93a7a7be11c0feef71},
	volume = {11},
	year = {1991},
	biburl = {http://www.bibsonomy.org/bibtex/2ee62a03353eb6108228cd6501e47fd10/smicha},
	keywords = {Heteroscedasticity }
}