Ivanišević, T., A. Trifunović, S. Simović, and S. Čičević. “The Importance of Using a Retroreflective Vest for the Е-Bicycle Speed Perception”. Put I Saobracaj, Vol. 67, no. 3, Oct. 2021, pp. 39-42, doi:10.31075/pis.67.03.07.