@book{1021,
	author = {Nicholson, W. Keith. and Nicholson, W. Keith.},
	title = {Linear algebra with applications /},
	publisher = {McGraw-Hill Ryerson,},
	year = {c2003.},
	address = {Boston :},
	edition = {4th ed.},
	note = {Updated ed. of: Elementary linear algebra, with applications. cl990.}
}