@book{112669,
	author = {Grund, Francis J.},
	title = {Popular lessons in astronomy, on a new plan},
	publisher = {Project Gutenberg,},
	year = {2023},
	address = {Salt Lake City, UT :},
	note = {Release date is 2023-10-23},
	url = {https://archive.org/details/popularlessonsin00grun/page/n7/mode/2up}
}