@book { TheflashmobmovementsinLondonUK,
    title = "The flash mob movements in London, UK",
    subtitle = "The perceptions and attitudes of participants and audience towards the urban movement in relation to the commercial use of this urban movement",
    author = "Thomas {Töppel}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/227518"
}