@book{59815,
	author = {Dietz, Henriette, and Leopold, Katharina,},
	title = {Zonnestralen in School en Huis},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Release date is 2006-05-21},
	url = {https://www.gutenberg.org/ebooks/18429}
}