@book { ExplorativerumlicheDatenanalysemitlokalenStatistiken,
    title = "Explorative räumliche Datenanalyse mit lokalen Statistiken",
    author = "Robert {Steck}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832403140",
    url = "https://m.diplom.de/document/216299"
}