@book{266637,
	author = {Sigman, Michael E., and Williams, Mary R., and United States.},
	title = {Smokeless powder reference collection and SWGFEX smokeless powders database expansion /},
	publisher = {National Criminal Justice Reference Service ;},
	year = {2017.},
	address = {[Rockville, Maryland] :},
	note = {"July 2017."--Report documentation page.},
	url = {https://purl.fdlp.gov/GPO/gpo83671}
}