Zhen-Tao, L.; Wu, M.; Li, D.-Y.; Chen, L.-F.; Dong, F.-Y.; Yamazaki, Y.; Hirota, K. Communication Atmosphere in Humans and Robots Interaction Based on the Concept of Fuzzy Atmosfield Generated by Emotional States of Humans and Robots. JAMRIS 2013, 7 (2), 52-63.