Dumbliauskas, Vytautas, Vytautas Grigonis, and Andrius Barauskas. “Application of Google-Based Data for Travel Time Analysis: Kaunas City Case Study”. Promet - Traffic&Transportation 29, no. 6 (December 21, 2017): 613-621. Accessed April 9, 2020. http://traffic.fpz.hr/index.php/PROMTT/article/view/2369.