@book { LiebhaberderTheologie,
    title = "«Liebhaber der Theologie»",
    subtitle = "Gotthold Ephraim Lessing – Philosoph – Historiker der Religion",
    author = "Gerd {Biegel} and Heidi {Beutin} and Wolfgang {Beutin} and Angela {Klein}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1109260"
}