1. Prediction of Soil Resistivity and Ground Rod Resistance for Deep Ground Electrodes
2. Jinliang He, Rong Zeng, Bo Zhang, Methodology and Technology for Power System Grounding, Department of Electrical Engineering 576, (2012); https://ieeexplore.ieee.org/book/8516680
3. Freddy M., Sinchi S., Hernán P., Guillén C., Diseñoy Determinación de Sistemas de Puesta a Tierra Mediante Pruebas de Campo Con Elementos Comunes Utilizados en la región, Incluyendo GEM y electrodo químico, (2017); https://dspace.ups.edu.ec/bitstream/123456789/14487/5/UPS-CT007132
4. Effect of electrode shape on grounding resistances — Part 2: Experimental results and cryospheric monitoring
5. IEEE Std 142™-2007, IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems, Institute of Electrical and Electronics Engineers, 142 (2007).