@book{15180,
	author = {Lawson, Charles L. and Hanson, Richard J. and Hanson, Richard J.},
	title = {Solving least squares problems},
	publisher = {Prentice-Hall,},
	year = {1974},
	series = {Prentice-Hall series in Automatic Computation},
	address = {Englewood Cliffs:}
}