1. 3GPP TSG Services and System Aspects 3G security: Wireless local area network (WLAN) interworking security (Release 6) 2004
2. 3GPP TSG Services and System Aspects 3G security: Wireless local area network (WLAN) interworking security (Release 6) 2006
3. 3GPP TSG Services and System Aspects 3GPP system to wireless local area network (WLAN) interworking: System description (Release 6) 2005
4. 3GPP TSG Services and System Aspects 3GPP system to wireless local area network (WLAN) interworking: Functional and architecture definition (Release 6) 2002
5. 3GPP TSG Services and System Aspects Feasibility study on 3GPP system to wireless local area network (WLAN) interworking (Release 6) 2003