@book { EmpathieundDistanz,
    title = "Empathie und Distanz",
    author = "E.W.B. {Hess-Lüttich} and Joachim {Warmbold}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107270"
}