Aguilera Bermúdez, Ernesto, and Oswaldo Rodríguez Rico. “Measurement of Complex Dielectric Permittivity in Oils from High-Voltage Transformers Using a Coaxial Probe”. TECCIENCIA, vol. 11, no. 21, Mar. 2025, pp. 60-66, doi:10.18180/tecciencia.2016.21.10.