Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Discrimination of Paper Document by Inorganic and Isotope Analysis Presenting section: Questioned Documents 2007 van der Peijl, Gerard J.Q., The Hague NETHERLANDS; van Es, Andrew, The Hague NETHERLANDS; De Koeijer, Jan A., The Hague NETHERLANDS View the paper Questioned Documents