Gary W. Pritchard, John Vines, Patrick Olivier. Your Money's No Good Here: The Elimination of Cash Payment on London Buses. In Bo Begole, Jinwoo Kim, Kori Inkpen, Woontack Woo, editors, Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems, CHI 2015, Seoul, Republic of Korea, April 18-23, 2015. pages 907-916, ACM, 2015. [doi]
Abstract is missing.