@book{90037,
	author = {Ernst, Paul,},
	title = {Der schmale Weg zum Glück},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-06-12},
	url = {https://www.gutenberg.org/ebooks/49199}
}