@book { ThreeGreekApologistsDreigriechischeApologeten, title = "Three Greek Apologists- Drei griechische Apologeten", subtitle = "Origen, Eusebius, and Athanasius- Origenes, Eusebius und Athanasius", author = "Anders-Christian {Jacobsen} and Jörg {Ulrich}", year = "2007", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1103614" }