@book { InternalMigration,
    title = "Internal Migration",
    author = "Shane Joshua {Barter} and William {Ascher}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b16141",
    url = "https://www.peterlang.com/document/1058385"
}