@article{ColinCameron1997,
	title = {An R-squared measure of goodness of fit for some common nonlinear regression models},
	author = {A. Colin Cameron and Frank A. G. Windmeijer},
	journal = {Journal of Econometrics},
	month = {Apr},
	number = {2},
	pages = {329--342},
	url = {http://www.sciencedirect.com/science/article/B6VC0-3SWV8VH-3/2/b45f7a1fa489d55cc026a765f11fccf9},
	volume = {77},
	year = {1997},
	biburl = {http://www.bibsonomy.org/bibtex/2f11967ea44e8490664411bbc8b7aa43b/smicha},
	description = {Journal of Econometrics},
	keywords = {Maximum likelihood }
}