The 3GPP and 3GPP2 movements toward an all-IP mobile network. - Girish Patel; Steven Dennett (IEEE Wirel. Commun., 2000)

3GPP2-IETF Standardization Collaboration. - Scott O. Bradner; Pat R. Calhoun; Henry Cuschieri; Steven Dennett; Gerry Flynn; Mark A. Lipford; Mike McPheters (RFC, 2001)