@book { Basicsoftechnicalanalysis,
    title = "Basics of technical analysis",
    author = "Raphael {Wilhelm}",
    year = "2002",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638114820",
    url = "https://www.hausarbeiten.de/document/2443"
}