@book { DieRussischeRevolution,
    title = "Русская Революция – Die Russische Revolution",
    author = "Eva Ingeborg {Fleischhauer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18501",
    url = "https://www.peterlang.com/document/1111931"
}