K. Breiner, K. Bizik, T. Rauch, M. Seissler, G. Meixner, and P. Diebold. Human-Computer Interaction: Design and Development Approaches, 14th International Conference, HCI International 2011, Orlando, FL, USA, Proceedings, Part I, 6761, Springer, Heidelberg, (2011)
A. Dabholkar, and A. Gokhale. ICDCS '09 Workshops: Proceedings of the 29th IEEE International Conference on Distributed Computing Systems Workshops, Montreal, Canada, page 73-79. (2009)
R. Drechsler, S. Autexier, and C. Lüth. Dynamics in Logistics: Proceedings of the 5th International Conference LDIC, 2016 Bremen, Germany, chapter 1, Springer, Cham, (2017)