Paradowska, Monika. “Rivalry and Excludability As Characteristics of Tools Aimed at Making Cycling in Cities More Attractive”. Ekonomia i Prawo. Economics and Law 17, no. 2 (June 30, 2018): 169–181. Accessed September 26, 2026. https://apcz.umk.pl/EiP/article/view/EiP.2018.012.