@book { SelbstgesteuertesLernen,
    title = "Selbstgesteuertes Lernen",
    author = "Marlies {Kraus}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640646616",
    url = "https://www.hausarbeiten.de/document/152652"
}