@book{127107,
	author = {Sears, John, and ebrary, Inc.},
	title = {Issues in science teaching},
	publisher = {RoutledgeFalmer,},
	year = {2000.},
	series = {Issues in subject teaching series},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=2002642}
}