@book{69156,
	author = {Clerke, Agnes M.},
	title = {A Popular History of Astronomy During the Nineteenth Century :},
	publisher = {Project Gutenberg,},
	year = {2009},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-03-04},
	url = {https://www.gutenberg.org/ebooks/28247}
}