@book { ImmanuelKantDerWegzumkategorischenImperativ,
    title = "Immanuel Kant. Der Weg zum kategorischen Imperativ",
    author = "Joachim {Waldmann}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638457101",
    url = "https://www.hausarbeiten.de/document/49190"
}