@book { GroundedTheoryalsMethodologiequalitativerSozialforschung,
    title = "Grounded Theory als Methodologie qualitativer Sozialforschung",
    author = "Caroline {Siwiecki}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/275514"
}