@book { TaktikistkeinePfefferminzsorte,
    title = "Taktik ist keine Pfefferminzsorte!",
    author = "Arnd {Zeigler}",
    year = "2011",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403222"
}