@book{32604,
	author = {Sheninger, Eric C. and Devereaux, Keith. and ebrary, Inc.},
	title = {What principals need to know about teaching and learning science},
	publisher = {Solution Tree Press :},
	year = {c2013.},
	address = {Bloomington, Ind. :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10744098}
}