@book { NorthernIreland,
    title = "Northern Ireland",
    author = "Olivier {Coquelin} and Brigitte {Bastiat} and Frank {Healy}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/b16857",
    url = "https://www.peterlang.com/document/1162454"
}