@book{55031,
	author = {Wiggins, Grant P., and McTighe, Jay. and ebrary, Inc.},
	title = {Understanding by design},
	publisher = {Association for Supervision and Curriculum Development,},
	year = {c2005.},
	address = {Alexandria, VA :},
	edition = {Expanded 2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10081770}
}