LEWANDOWSKI, Grzegorz. A BICYCLE AS A COMPLEMENTARY ELEMENT OF URBAN LOGISTICS. Transport Economics and Logistics, [S.l.], v. 71, p. 191-197, dec. 2017. ISSN 2657-6104. Available at: <http://www.znetil.ug.edu.pl/index.php/etil/article/view/136>. Date accessed: 25 oct. 2020. doi: http://dx.doi.org/10.5604/01.3001.0010.5735.