Jarrett, Jeffrey E., and Janne Schilling. “Daily Variation and Predicting Stock Market Returns for the Frankfurter börse (stock Market)”. Journal of Business Economics and Management 9, no. 3 (September 30, 2008): 189-198. Accessed November 20, 2024. https://jau.vgtu.lt/index.php/JBEM/article/view/6871.