@book{117711,
	author = {United States. Navy Department. Bureau of Ordnance},
	title = {Spar-torpedo instructions for the United States Navy},
	publisher = {Project Gutenberg,},
	year = {2025},
	address = {Salt Lake City, UT :},
	note = {Release date is 2025-10-05},
	url = {https://archive.org/details/spartorpedoinstr00unit}
}