M. Luneckas, T. Luneckas, D. Udris, and N. M. F. Ferreira, “Hexapod Robot Energy Consumption Dependence on Body Elevation and Step Height”, ELEKTRON ELEKTROTECH, vol. 20, no. 7, pp. 7–10, Sep. 2014, doi: 10.5755/j01.eee.20.7.8017.