@book { TransnationaleBeziehungenderRusseninMoldovaundderUkraine,
    title = "Transnationale Beziehungen der Russen in Moldova und der Ukraine",
    author = "Klemens {Büscher}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097147"
}