Casey, E. (2002) "Practical Approaches to Recovering Encrypted Digital Evidence," International Journal of Digital Evidence, 1(3) (Available online at http://www.ijde.org/02_fall_art4.html).
Larson, T. (2001) "The Other Side of Civil Discovery," Casey, E. (editor) Handbook of Computer Crime Investigation: Forensic Tools and Technology, London: Academic Press.