@book{14690,
	author = {Gerrits, G C.,},
	title = {Leerboek van de natuurkunde :},
	publisher = {Brill,},
	year = {1936.},
	series = {Social Sciences - Book Archive pre-2000},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004590021}
}