@book { Unverschmerzt,
    title = "Unverschmerzt",
    author = "Dietmar {Albrecht} and Andreas {Degen} and Helmut {Peitsch} and Klaus {Völker}",
    year = "2021",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1098710"
}