@book{113461,
	author = {Douglas, H.},
	title = {Machine gun manual},
	publisher = {Project Gutenberg,},
	year = {2024},
	address = {Salt Lake City, UT :},
	note = {Release date is 2024-01-17},
	url = {https://archive.org/details/1917ukmachinegunmanual/page/n19/mode/2up}
}