@book { OneArtistonFiveContinents,
    title = "One Artist on Five Continents",
    subtitle = "The Life of Elisabet Delbrück",
    author = "Margaret {Sutherland}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108485"
}