@book{77679,
	author = {Eekhoff, W.},
	title = {Beknopte Geschiedenis van Friesland in Hoofdtrekken},
	publisher = {Project Gutenberg,},
	year = {2011},
	address = {Salt Lake City, UT :},
	note = {Release date is 2011-07-24},
	url = {https://www.gutenberg.org/ebooks/36839}
}