Barciauskas, R., J. A. Virbalis, and S. Zebrauskas. 2012. “An Electrostatic Approach to the Numerical Simulation of Combined Corona and Electrostatic Field in Three-Electrode System”. Elektronika Ir Elektrotechnika 122 (6):105-8. https://doi.org/10.5755/j01.eee.122.6.1832.