@book { PACSlepactedesolidaritenFrance,
    title = "PACS - le pacte de solidarité en France",
    author = "Robert {Fleischer}",
    year = "2001",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640006748",
    url = "https://www.hausarbeiten.de/document/102288"
}