@book { InsidetheFencebutOutsidetheWalls,
    title = "Inside the Fence but Outside the Walls",
    subtitle = "The Militarily Non-Allied States in the Security Architecture of Post-Cold War Europe",
    author = "Laura C. {Ferreira-Pereira}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1102405"
}