@book { NetworkAnalysisandtheorganisationofevents,
    title = "Network Analysis and the organisation of events",
    author = "Alexandra {Becker}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832452315",
    url = "https://m.diplom.de/document/220756"
}