@book { MeinRussland,
    title = "Mein Russland",
    author = "Aage A. {Hansen-Löve}",
    year = "1997",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12849",
    url = "https://www.peterlang.com/document/1067219"
}