@book { PositivePeaceinKosovo,
    title = "Positive Peace in Kosovo",
    subtitle = "A Dream Unfulfilled",
    author = "Elisabeth {Schleicher}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107680"
}