@book { TheEuropeanDecentralisedCooperation,
    title = "The European Decentralised Cooperation",
    author = "Antonella {Valmorbida}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/b14724",
    url = "https://www.peterlang.com/document/1113465"
}