@book { PhilosophieundPraktikderStoikerTransformativesSelbstCoachinginderAntike,
    title = "Philosophie und Praktik der Stoiker. Transformatives Selbst-Coaching in der Antike",
    author = "Christoph J. {Koerber}",
    year = "2022",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/1262654"
}