@book{543991,
	author = {Seber, G. A. F. and Wild, C. J.},
	title = {Nonlinear regression /},
	publisher = {Wiley,},
	year = {c1989.},
	address = {New York :},
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/toc/onix04/88017194.html}
}