TY - RPRT TI - Preliminary report for using X-rays as verification and authentication tool AU - Esch, Ernst Ingo AU - Desimone, David J. AU - Lakis, Rollin Evan PY - 2016 DO - 10.2172/1248099 UR - https://www.osti.gov/biblio/1248099 ID - 1248099 ER -