Keywords: Jun-Feng (John) Song (16087067272).jpg NIST mechanical engineer Jun-Feng John Song conducts research to advance the science underlying ballistics and firearms identification See http //www nist gov/manuscript-publication-search cfm pub_id 914401 www nist gov/manuscript-publication-search cfm pub_id 914401 Credit NIST Disclaimer Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST Use of NIST Information These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology NIST With the exception of material marked as copyrighted information presented on these pages is considered public information and may be distributed or copied Use of appropriate byline/photo/image credits is requested https //www flickr com/photos/usnistgov/16087067272/ Jun-Feng John Song 2014-11-20 10 11 https //www flickr com/people/63059536 N06 National Institute of Standards and Technology PD-USGov National Institute of Standards and Technology https //flickr com/photos/63059536 N06/16087067272 2016-09-07 01 32 50 United States Government Work Uncategorized 2016 November 7 |