@book { ModellingNonlinearitiesintheGermanStockMarket,
    title = "Modelling Nonlinearities in the German Stock Market",
    author = "Sophie {Robé}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088361"
}