@article{George1985,
	title = {Structural stability and model design},
	author = {Donald A. R. George and Leslie T. Oxley},
	journal = {Economic Modelling},
	month = {Oct},
	number = {4},
	pages = {307--316},
	url = {http://www.sciencedirect.com/science/article/B6VB1-45V29P2-2/1/aee85c127be04a859cd88c40dc937eb0},
	volume = {2},
	year = {1985},
	biburl = {http://www.bibsonomy.org/bibtex/22a1a013977ce58c684183c6bb68fbf73/smicha},
	keywords = {Structural stability }
}