@book { WhogoesWhostaysWhoreturns, title = "Who goes? Who stays? Who returns?", subtitle = "Migration Journeys of Highly Skilled Workers from Russia to Germany and Back Home", author = "Volha {Vysotskaya}", year = "2011", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-00958-3", url = "https://www.peterlang.com/document/1044440" }