Turnau, A., D. Knapik, D. Marchewka, M. Rosół, K. Kołek, and P. Gorczyca. “The Real-Time Network Control of the Inverted Pendulum System Based on Siemens Hardware”. Automatyka/Automatics, vol. 17, no. 1, July 2015, p. 83, doi:10.7494/automat.2013.17.1.83.