TY - BOOK AU - Sigman,Michael E. AU - Williams,Mary R. AU - Dennis,Dana-Marie Karine ED - United States. ED - National Criminal Justice Reference Service (U.S.), ED - United States. TI - Smokeless powder reference collection and SWGFEX smokeless powders database expansion PY - 2017/// CY - [Rockville, Maryland], [Washington, D.C.] PB - National Criminal Justice Reference Service, Office of Justice Programs KW - Gunpowder, Smokeless KW - Databases KW - Statistical methods KW - Reference sources N1 - "July 2017."--Report documentation page; CRDP Program record; Includes bibliographical references (pages 54-58) UR - https://purl.fdlp.gov/GPO/gpo83671 ER -