@book{201640,
	author = {Katzer, Jeffrey. and Cook, Kenneth H.,},
	title = {Evaluating information},
	publisher = {McGraw-Hill},
	year = {c1998.},
	address = {Boston, Mass.},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/description/mh022/97005646.html}
}