@book { SociolinguisticTransitioninFormerEasternBlocCountries,
    title = "Sociolinguistic Transition in Former Eastern Bloc Countries",
    author = "Marián {Sloboda} and Petteri {Laihonen} and Anastassia {Zabrodskaja}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05437-8",
    url = "https://www.peterlang.com/document/1049315"
}