@book { TodundSelbstmordinRussland,
    title = "Tod und Selbstmord in Russland",
    author = "Inna L'vovna {Polotovskaja}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105418"
}