@book{77537,
	author = {Hill, James Langdon,},
	title = {Revisiting the Earth},
	publisher = {Project Gutenberg,},
	year = {2011},
	address = {Salt Lake City, UT :},
	note = {Release date is 2011-07-11},
	url = {https://www.gutenberg.org/ebooks/36697}
}