1. 3GPP. Network Domain Security; IP network layer security. 3G TS 33.210, 2004. www.3gpp.org.
2. 3GPP. Security architecture. 3G TS 33.102, 2004. www.3gpp.org.
3. 3GPP. Specification of the 3GPP Confidentiality and Integrity Algorithms; Document 1: f8 and f9 Specification. 3G TS 35.201, 2004. www.3gpp.org.
4. M. Briceno, I. Goldberg, and D. Wagner. GSM Cloning. 2003. www.isaac.cs.berkeley.edu/isaac/gsm-faq.html.
5. Bluetooth Membership Site. www.bluetooth.org, 2004.