Research & Education JFS ArticlesAAFS ConnectConference ProceedingsReference Series LibraryInternational Educational Outreach ProgramDifferentiation of Document Paper Based on Elemental Profiles Using Inductively Coupled Plasma-Mass Spectrometry, Inductively Coupled Plasma-Optical Emission Spectroscopy, and Multivariate Statistical ProceduresPresenting section:Questioned Documents2012View the paperQuestioned Documents