@book{40649,
	author = {Gess-Newsome, Julie and Association for the Education of Teachers in Science},
	title = {Examining pedagogical content knowledge :},
	publisher = {Kluwer Academic,},
	year = {1999},
	series = {Science & technology education library ;},
	address = {Dordrecht ; Boston :},
	note = {"Published in cooperation with the Association for the Education of Teachers in Science."}
}