@book{36259,
	author = {Kersbergen, Carla. and Haarhuis, Amito.},
	title = {Natuuronderwijs inzichtelijk :},
	publisher = {Coutinho,},
	year = {2006.},
	address = {Bussum :},
	edition = {2e, herz. dr.},
	note = {1e dr.: 2002.}
}