ETSI TS 122 129

Digital cellular telecommunications system (Phase 2 ) (GSM); Universal Mobile Telecommunications System (UMTS); Handover requirements between UTRAN and GERAN or other radio systems (3GPP TS 22.129 version 3.6.0 Release 1999) Edition: 3.6.0
European Telecommunications Standards Institute / 01-Dec-2001 / 21 pages