European Telecommunications Standards Institute. (1992). European digital cellular telecommunications system (phase 1): Modulation. The Institute.
Chicago-viite (17. p.)European Telecommunications Standards Institute. European Digital Cellular Telecommunications System (phase 1): Modulation. Valbonne, France: The Institute, 1992.
MLA-viite (8. p.)European Telecommunications Standards Institute. European Digital Cellular Telecommunications System (phase 1): Modulation. The Institute, 1992.
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