David Wagner, Bruce Schneier, John Kelsey (August 1997). Cryptanalysis of the Cellular Message Encryption Algorithm (PDF/PostScript). Advances in Cryptology – CRYPTO '97, 17th Annual International Cryptology Conference. Santa Barbara, California. pp. 526–537. Retrieved 2007-02-07.{{cite conference}}: CS1 maint: multiple names: authors list (link) /wiki/David_A._Wagner