@article{Bell1996,
	title = {A relative weighting method for estimating parameters and variances in multiple data sets},
	author = {Bradley M. Bell and James V. Burke and Alan Schumitzky},
	day = {01},
	journal = {Computational Statistics \& Data Analysis},
	month = {Jul},
	number = {2},
	pages = {119--135},
	url = {http://www.sciencedirect.com/science/article/B6V8V-3VW1SKY-2/1/73d4ea877b1db420127d7df21a582852},
	volume = {22},
	year = {1996},
	biburl = {http://www.bibsonomy.org/bibtex/24258000096dafc8bb20f5ee18ec2fe45/smicha},
	keywords = {Nonlinear least squares }
}