@book{109494,
	author = {Bowers, Stephen, and Vail, Isaac N.},
	title = {The Vailan or annular theory: A synopsis of Prof. I. N. Vail's argument in support of the claim that this Earth once possessed a Saturn-like system of rings},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {Release date is 2022-08-05},
	url = {https://archive.org/details/vailanorannulart00vailrich/page/n3/mode/2up}
}