@book { MareBalticum,
    title = "Mare Balticum",
    subtitle = "Begegnungen zu Heimat, Geschichte, Kultur an der Ostsee",
    author = "Dietmar {Albrecht} and Martin {Thoemmes}",
    year = "2005",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1100465"
}