Hadi Azahar, Arman, et al. “Optimizing Central Pattern Generators (CPG) Controller for One Legged Hopping Robot by Using Genetic Algorithm (GA)”.
International Journal of Engineering and Technology, vol. 7, no. 2.14, Apr. 2018, pp. 160-4,
https://doi.org/10.14419/ijet.v7i2.14.12817.