@book{99226,
	author = {Meyer, M. W.},
	title = {Die Welt der Planeten},
	publisher = {Project Gutenberg,},
	year = {2018},
	address = {Salt Lake City, UT :},
	note = {Release date is 2018-12-02},
	url = {https://www.gutenberg.org/ebooks/58399}
}