@book{101927,
	author = {Kirchhoff, Alfred,},
	title = {Mensch und Erde: Skizzen von den Wechselbeziehungen zwischen beiden},
	publisher = {Project Gutenberg,},
	year = {2020},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-01-04},
	url = {https://www.gutenberg.org/ebooks/61101}
}