1. 3GPP, 2001. 3G Security: Integration Guidelines. 3GPP TS 33.103 V4.2.0.
2. 3GPP, 2009a. 3G Security: Security Architecture. 3GPP TS 33.102 V9.1.0.
3. 3GPP, 2009b. 3G Security: Cryptographic Algorithm Requirements. 3GPP TS 33.105 V9.0.0.
4. 3GPP, 2009c. 3G Security: Lawful Interception Requirements. 3GPP TS 33.106 V9.0.0.
5. 3GPP, 2009d. 3G Security: Lawful Interception Architecture and Functions. 3GPP TS 33.107 V9.0.0.