L. Chen, J. Hoey, C. Nugent, D. Cook, and Z. Yu. IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews, 42 (6):
790-808(November 2012)
C. Mosch, R. Anderl, and A. Moura. Proceedings of ASME International Mechanical Engineering Congress and Exposition (IMECE2010), Vancouver, British Columbia, Canada, Volume 3: Design and Manufacturing, Parts A and B, page 363-370. ASME, (2010)