@book { SmartMeteringundSmartGridimJahre2025,
    title = "Smart Metering und Smart Grid im Jahre 2025",
    author = "Daniel Thomas {Roy}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640903160",
    url = "https://www.hausarbeiten.de/document/171111"
}