In: Journal of Forensic Document Examination (JFDE), Vol. 24, Pages 21-35, Association of Forensic Document Examiners (AFDE.org), 12/2014.
Klaus-Dieter Thoben; Marius Veigt; Dennis Lappe; Marco Franke; Mirko Kück; Dennis Kolberg; Isabel Fahl; Roland Zimmerling; Jochen Schlick; Peter Stephan; Philipp Guth