European digital cellular telecommunications system (Phase 2) - Data Link (DL) layer - General aspects; English version ETS 300554:1994
Edition 1995-01

Digital cellular telecommunications system (Phase 2+) - Data Link (DL) layer - General aspects (GSM 04.05 version 8.0.1 Release 1999)
Edition 2000-12-01

Digital cellular telecommunications system (Phase 2+) - Mobile Station-Base Station System (MS-BSS) interface - Data Link (DL) layer specification (GSM 04.06 version 8.0.1 Release 1999)
Edition 2000-12-01

European digital cellular telecommunications system (Phase 2) - Mobile Station - Base Station System (MS-BSS) interface - Data Link (DL) layer specification; English version ETS 300555:1994
Edition 1995-01

Digital cellular telecommunications system (Phase 2). Data Link (DL) layer. General aspects (GSM 04.05)
Edition 1997-07-01

Digital cellular telecommunications system (Phase 2). Mobile Station. Base Station System (MS-BSS) interface Data Link (DL) layer specification (GSM 04.06)
Edition 1997-07-01

European digital cellular telecommunications system (Phase 2) - Mobile Station - Base Station System (MS-BSS) interface - General aspects and principles; English version ETS 300550:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - GSM Public Land Mobile Network (PLMN) access reference configuration; English version ETS 300551:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - Mobile Station - Base Station System (MS-BSS) interface - Channel structures and access capabilities; English version ETS 300552:1994
Edition 1995-01

Industrial communication networks - Fieldbus specifications - Part 6-9: Application layer protocol specification - Type 9 elements (IEC 61158-6-9:2014); English version EN 61158-6-9:2014, only on CD-ROM
Edition 2015-09