@book { EnergieimSpannungsfeldderPolitik,
    title = "Energie im Spannungsfeld der Politik",
    author = "Martin {Legant}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656338987",
    url = "https://www.hausarbeiten.de/document/205867"
}