Marc Rene Frieß, Georg Groh, Niklas Klugel, and Martin Kleinhans. “An Analysis Framework for Quantitatively Characterizing Collaboration in Tabletop Based CSCW Environments”. International Journal of Computer Information Systems and Industrial Management Applications 4 (April 1, 2012): 11. Accessed September 18, 2024. https://cspub-ijcisim.org/index.php/ijcisim/article/view/181.