@book{92826,
	author = {Christmann, Edwin P., and ebrary, Inc.},
	title = {Beyond the numbers},
	publisher = {NSTA Press,},
	year = {c2012.},
	address = {Arlington, Va. :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10567537}
}