TY - JOUR AU - Mahoney, Christine AU - Gillen, John AU - Fahey, Albert C2 - Forensic Science International DA - 2006-04-01 LA - en PB - Forensic Science International PY - 2006 TI - Characterization of Gunpowder Samples Using Time-of-flight Secondary Ion Mass Spectrometry (TOF-SIMS) ER -