P. Gaussiera, C. Joulain,, J.P. Banquetb,, and S. Leprê, “The visual homing problem: An example of robotics/biology cross fertilization”,
Robotics and Autonomous Systems , vol. 30, no. 1-2, 2000.
F. Pfeiffer and Inoue, H.,
“Walking: technology and biology.”,
Philos Transact A Math Phys Eng Sci. , vol. 365, no. 365, p. 1850, 2007.