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References

• Voice-recording of the Hungarian Unified Digital Radio System (EDR)
• GDF SUEZ Energy Hungary Co.
• BKV Zrt. (Budapest Transport Limited)
• Bureau of National Atomic Energy
• Nuclear Power Plant, Paks
• FŐTÁV Zrt. (Budapest District Heating Company)
• MOL Zrt. (Hungarian Petrochemical Company)
• Hungarian Post
• MÁV Zrt. (Hungarian Railways)
• GYSEV (Győr-Sopron-Ebenfurt Railways)
• FŐGÁZ (Budapest Gas Supplier Company)
• Égáz - Dégáz (member of GDF SUEZ Group)
• T-COM (The largest telecom provider in Hungary)
• E-ON
• ELMŰ-ÉMÁSZ (Power suppliers)
• Hungarian Autoclub
• ÁAK (State Motorway Management Company Ltd.)
• etc.