Sobchuk, Valeriy, Natalija Sobchuk, і Olena Slobodianiuk. «CHARACTERISTIC FEATURES OF DETERMINATION OF LIGHTHING PROTECTION EFFICIENCY INDEX FOR OVERHEAD TRANSMISSION LINES». Scientific Works of Vinnytsia National Technical University, no. 3 (Листопад 25, 2015). дата звернення Травень 25, 2026. https://works.vntu.edu.ua/index.php/works/article/view/421.