@book { DieZaltmanMetaphorElicitationTechnique,
    title = "Die Zaltman Metaphor Elicitation Technique",
    author = "Eva {Steilmann}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836642736",
    url = "https://m.diplom.de/document/227608"
}