P. Blazek, R. Fujdiak, P. Mlynek, and J. Misurec, “Development of Cyber-Physical Security Testbed Based on IEC 61850 Architecture”, ELEKTRON ELEKTROTECH, vol. 25, no. 5, pp. 82–87, Oct. 2019, doi: 10.5755/j01.eie.25.5.24361.