@book{94657,
	author = {Gruber, Max von,},
	title = {Hygiene des Geschlechtslebens},
	publisher = {Project Gutenberg,},
	year = {2016},
	address = {Salt Lake City, UT :},
	note = {Release date is 2016-12-28},
	url = {https://www.gutenberg.org/ebooks/53823}
}