@book { DieHerrenderHanse,
    title = "Die Herren der Hanse",
    author = "Dietrich W. {Poeck}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00742-8",
    url = "https://www.peterlang.com/document/1044263"
}