@book{105472,
	author = {Clerke, Agnes M.},
	title = {The Herschels and Modern Astronomy},
	publisher = {Project Gutenberg,},
	year = {2021},
	address = {Salt Lake City, UT :},
	note = {Release date is 2021-02-27},
	url = {https://www.gutenberg.org/ebooks/64649}
}