@book { OrdrepublicArt6EGBGBiminternationalenWirtschaftsrecht,
    title = "Ordre public Art. 6 EGBGB im internationalen Wirtschaftsrecht",
    author = "Anni {Heimann}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638028509",
    url = "https://www.hausarbeiten.de/document/88598"
}