1[1]ETSI EN 300 940 V7.7.0(2000-05), Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 specification(GSM 04.08 version 7.7.0 Release 1998)
2[2]ETSI EN 301 349 V7.4.0(2000-05), Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Mobile Station (MS)-Base Station System (BSS) interface; Radio Link Control/Medium Access Control (RLC/MAC) Protocol(GSM 04.60 version 7.4.0 Release 1998)
3[3]ETSI EN 300 911 V7.4.0(2000-05), Digital cellular telecommunications system (Phase 2+); Radio subsystem link control (CSM 05.08 version 7.4.0 Release 1998)
