Haichang Gao, Zhongjie Ren, Xiuling Chang, Xiyang Liu, Uwe Aickelin. A New Graphical Password Scheme Resistant to Shoulder-Surfing. In 2010 International Conference on CyberWorlds, Singapore, October 20-22, 2010. pages 194-199, IEEE Computer Society, 2010. [doi]
Abstract is missing.