1. Ceccarelli M.: TORVEASTRO—Design and testing of a robot astronaut demonstrator, project no. A0375–2020–36517, program POR FESR LAZIO 2014–2020, University of Rome Tor Vergata, Rome (2019)
2. NASA: Robonaut 2, https://www.nasa.gov/robonaut2. (visited on 2 December 2022)
3. DRL: Rollin’ Justin, https://www.dlr.de/rm/en/desktopdefault.aspx/tabid-11427/#gallery/35411. (visited on 2 December 2022)
4. Toyota, KIROBO, https://global.toyota/en/detail/6035471. (visited on 2 December 2022)
5. ESA-ASI, JERICO, https://www.esa.int/esapub/pff/pffv7n2/didov7n2.htm. (visited on 2 December 2022)