ETSI TS 101 351

Digital cellular telecommunications system (Phase 2 ) (GSM); General Packet Radio Service (GPRS); Mobile Station - Serving GPRS Support Node (MS-SGSN) Logical Link Control (LLC) layer specification (3GPP TS 04.64 version 7.4.0 Release 1998) Edition: 7.4.0
European Telecommunications Standards Institute / 01-Dec-2000 / 62 pages