@book{92587,
	author = {Flier, A. van der},
	title = {Toen de duisternis dreigde...},
	publisher = {Project Gutenberg,},
	year = {2016},
	address = {Salt Lake City, UT :},
	note = {Release date is 2016-04-13},
	url = {https://www.gutenberg.org/ebooks/51753}
}