LST EN 300 937 V7.0.1-2000 Digital cellular telecommunications system (Phase 2+). Data Link (DL) layer. General aspects (GSM 04.05 version 7.0.1 Release 1998)
2000LST EN 300 937 V7.0.1-2000 Digital cellular telecommunications system (Phase 2+). Data Link (DL) layer. General aspects (GSM 04.05 version 7.0.1 Release 1998)