@book{51482,
	author = {Tracy, Robb H.},
	title = {CompTIA Linux+ certification study guide /},
	publisher = {McGraw-Hill,},
	year = {c2008},
	address = {New York, NY :},
	note = {"100% coverage--250+ practice exam questions"--Cover},
	url = {http://www.loc.gov/catdir/enhancements/fy0743/2007035666-t.html}
}