Phuong, N.T., Huy, T.D., Cuong, N.C. and Loc, H.D. 2013. A simple walking control method for biped robot with stable gait. Journal of Computer Science and Cybernetics. 29, 2 (Jun. 2013), 105–115. DOI:https://doi.org/10.15625/1813-9663/29/2/2792.