@book{988,
	author = {Nicholson, W. Keith.},
	title = {Elementary linear algebra /},
	publisher = {McGraw-Hill Ryerson,},
	year = {c2001.},
	address = {Toronto ;},
	edition = {1st ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0629/2006272415-d.html}
}