@article{Porter-Hudak1991,
	title = {A numerical methods approach to calculating cost-of-living indices},
	author = {Susan Porter-Hudak and Kathy Hayes},
	day = {11},
	journal = {Journal of Econometrics},
	month = {Oct},
	number = {1-2},
	pages = {91--105},
	url = {http://www.sciencedirect.com/science/article/B6VC0-459H6KH-J/2/b1081073f55f08e5c2e4eb9d14fd140c},
	volume = {50},
	year = {1991},
	biburl = {http://www.bibsonomy.org/bibtex/29b149ee35d0d4d29a29cd5232484b6fa/smicha},
	description = {Journal of Econometrics},
	keywords = {imported }
}