@book { MindMappingVorstellungeinerkreativenArbeitstechnik,
    title = "Mind Mapping - Vorstellung einer kreativen Arbeitstechnik",
    author = "Martin {Falkenberg}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640833719",
    url = "https://www.hausarbeiten.de/document/166741"
}