Fekete, Albert, Gabriella Szaszák, Anita Szöbölödi, and Dániel Takács. 2012. “General Principles of Barrier - Free Open Space Design: Street Furniture, Motorized Traffic, Parking Based of the Example of Downtown Budapest”. 4D Journal of Landscape Architecture and Garden Art, no. 25 (February): 41-59. https://journal.uni-mate.hu/index.php/4D/article/view/5730.