Rainer Böhme Felix C. Freiling Thomas Gloe Matthias Kirchner Multimedia Forensics Is Not Computer Forensics. 90-103 2009 IWCF http://dx.doi.org/10.1007/978-3-642-03521-0_9 conf/iwcf/2009 db/conf/iwcf/iwcf2009.html#BohmeFGK09