@book{111649,
	author = {Butler, Ellis Parker, and Levering, Albert,},
	title = {An experiment in gyro-hats},
	publisher = {Project Gutenberg,},
	year = {2023},
	address = {Salt Lake City, UT :},
	note = {Release date is 2023-06-06},
	url = {https://archive.org/details/experimentingyro00butl/page/n3/mode/2up}
}