@book { TheBalticStatesandtheEndoftheColdWar,
    title = "The Baltic States and the End of the Cold War",
    author = "Kaarel {Piirimäe} and Olaf {Mertelsmann}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13237",
    url = "https://www.peterlang.com/document/1110345"
}