R. Larijani, and J. DeLaurier. volume 195 of Progress in Astronautics and Aeronautics, chapter 18, page 399--428. AIAA American Institute Aeronautics and Astronautics, Reston, US-VA, (2001)
C. Rose, and R. Fearing. IEEE International Conference on Robotics and Automation, page 1816--1821. Hong Kong, CN, IEEE Institute of Electrical and Electronics Engineers, (May 2014)