@book{112660,
	author = {United States. War Department. Division of Military Aeronautics},
	title = {Balloon observation, and instructions on the subject of work in the basket},
	publisher = {Project Gutenberg,},
	year = {2023},
	address = {Salt Lake City, UT :},
	note = {Release date is 2023-10-23},
	url = {https://archive.org/details/balloonobservati00unit}
}