Mrgole, Anamarija L., and Drago Sever. “Incorporation of Duffing Oscillator and Wigner-Ville Distribution in Traffic Flow Prediction”. Promet - Traffic&Transportation 29, no. 1 (February 6, 2017): 13-22. Accessed October 16, 2021. https://traffic.fpz.hr/index.php/PROMTT/article/view/2116.