@book { HighFrequencyTradingEconomicNecessityorThreattotheEconomy,
    title = "High Frequency Trading: Economic Necessity or Threat to the Economy?",
    author = "Stefan {Höppel}",
    year = "2014",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/312686"
}