Krushevskiy, Y., Y. Kravtsov, і V. Chernyga. «STUDY OF FIELD STRUCTURE AND ORIENTATION OF ELECTRIC ELEMENTARY EMITTER IN NEAR AND INTERMEDIATE AREAS». Scientific Works of Vinnytsia National Technical University, вип. 2, Грудень 2015, https://works.vntu.edu.ua/index.php/works/article/view/75.