@book{222800,
	author = {Erickson, Lynnette B.},
	title = {Tensions in teacher preparation},
	publisher = {Emerald,},
	year = {2010.},
	series = {Advances in research on teaching,},
	address = {Bingley, U.K. :},
	url = {http://www.emeraldinsight.com/1479-3687/12}
}