@book { PeermediationansterreichischenHauptschulstandorten,
    title = "Peermediation an österreichischen Hauptschulstandorten",
    author = "Andreas {Krenner}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842808263",
    url = "https://m.diplom.de/document/228204"
}