File:Smart Fortwo W 453 Wien 26 July 2020 JM (1).jpg - Wikimedia Commons

Springer Nature Reference) Zheng Xiang, Matthias Fuchs, Ulrike Gretzel, Wolfram Höpken - Handbook of E-Tourism-Springer (2022)

Ruben Pater - CAPS LOCK-Valiz (2021), PDF, Coins

Category:Smart Fortwo (3rd gen) - Wikimedia Commons

File:Wien 2007-12-26 DSCF0976 (2174910325).jpg - Wikimedia Commons

Lagnguage and Culture in Context, PDF, Cross Cultural Communication

File:Smart Fortwo II 20090704 front.JPG - Wikimedia Commons

PDF) Dynamics of the Air Passenger Transportation Market in Colombia (2016

File:Yellow Smart Fortwo side.JPG - Wikimedia Commons

Conference Proceedings

Publications – Visualization Research Group