1. Aikat, D.: Streaming Violent Genres Online: Visual Images in Music Videos on BET.com, Country.com, MTV.com, VH1.com. Popular Music and Society 27 (2004)
2. Becker, A.: Technology and Terror: the New Modus Operandi. Frontline. Washington, D.C., PBS (2005)
3. Berger, J.M.: Short Primer on Terrorist Videos. Intelfiles, Alexandria, Virginia (2005),
http://www.intelfiles.com
4. Chen, H., Qin, J., et al.: Dark Web Portal: Collecting and Analyzing the Presence of Domestic and International Terrorist Groups on the Web. In: IEEE Intelligence Transportation Conference. IEEE, Washington (2004)
5. Guitonni, A., Boury-Brisset, A., et al.: Automatic Documents Analyzer and Classifier. In: 7th International Command and Control Research and Technology Symposium, Quebec (2002)