@book { DieFunktionsklassedersegnalidiscorsividesItalienischen,
    title = "Die Funktionsklasse der «segnali discorsivi» des Italienischen",
    author = "Riccardo {Imperiale}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b10990",
    url = "https://www.peterlang.com/document/1055185"
}