Terkowsky, Claudius, et al. “Developing Tele-Operated Laboratories for Manufacturing Engineering Education. Platform for E-Learning and Telemetric Experimentation (PeTEX)”. International Journal of Online and Biomedical Engineering (iJOE), vol. 6, no. 5, Aug. 2010, pp. pp. 60-70, doi:10.3991/ijoe.v6i5.1378.