Machocki, Krzysztof, Zahrah Marhoon, Shaarawi Amjad, Ossama Sehsah, Tom Dixon, and Jamal Ud-Din Mohammad. 2021. “A New Non-Intrusive Condition Monitoring System Designed to Improve Reliability of the RCD”. Journal of Geotechnology and Energy 38 (3). https://doi.org/10.7494/jge.2021.38.3.4504.