@book { EnterShakespeare,
    title = "«Enter» Shakespeare",
    subtitle = "Der Dramatiker als Figur im modernen Drama",
    author = "Berit Bettina {Schubert}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095507"
}