@book { RefugeePoliciesinEurope,
    title = "Refugee Policies in Europe",
    author = "Andrea {De Petris}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14986",
    url = "https://www.peterlang.com/document/1113525"
}