@book{89923,
	author = {Gurlitt, Ludwig,},
	title = {Erziehung zur Mannhaftigkeit},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-05-30},
	url = {https://www.gutenberg.org/ebooks/49085}
}