@book { CoachingimKontextSchule,
    title = "Coaching im Kontext Schule",
    author = "Michael {Böhmländer}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656122227",
    url = "https://www.hausarbeiten.de/document/188345"
}