@book { TemperaturabhngigkeitvonSolarzellenparametern,
    title = "Temperaturabhängigkeit von  Solarzellenparametern",
    author = "Wolfgang {Vogt}",
    year = "2015",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/298946"
}