@book { HerrenhuserohneHerren,
    title = "Herrenhäuser ohne Herren",
    subtitle = "Ostelbische Geschichtsorte im 20. Jahrhundert",
    author = "Herle {Forbrich}",
    year = "2009",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1105780"
}