@book { PeaceandConflictSince1991,
    title = "Peace and Conflict Since 1991",
    author = "Elliot {Short} and Milt {Lauenstein}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b16324",
    url = "https://www.peterlang.com/document/1058383"
}