@book { TransboundaryMigrationinthePostSovietSpace,
    title = "Transboundary Migration in the Post-Soviet Space",
    author = "Nikolai {Genov} and Tessa {Savvidis}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00862-3",
    url = "https://www.peterlang.com/document/1045650"
}