@book{53691,
	author = {Heiberg, Hermann,},
	title = {Grevinde},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {Release date is 2004-05-01},
	url = {https://www.gutenberg.org/ebooks/12273}
}