An Overview on Principles for Energy Efficient Robot Locomotion. - Navvab Kashiri; Andy Abate; Sabrina J. Abram; Alin Albu-Schäffer; Patrick Clary; Monica A. Daley; Salman Faraji; Raphael Furnemont; Manolo Garabini; Hartmut Geyer; Alena M. Grabowski; Jonathan W. Hurst; et al. (Frontiers Robotics AI, 2018)

The split-belt rimless wheel. - Julia K. Butterfield; Surabhi N. Simha; J. Maxwell Donelan; Steven H. Collins (Int. J. Robotics Res., 2022)