Mobile and portable DVB-T/H radio access - Part 1: Interface specification (IEC 62002-1:2008 + corrigendum 2008); German version EN 62002-1:2008— 72 стр.
Digital cellular telecommunications system (Phase 2+) - Mobile Station (MS) conformance specification - Part 1: Conformance specification (GSM 11.10-1 version 8.1.1 Release 1999)