Vashchyshak, I. R., S. Vashchyshak, V. Tsykh, і A. Yavorskiy. «Complex Inspecton of Underground Oil-Gas Pipe-Lines». Scientific Works of Vinnytsia National Technical University, вип. 1, Листопад 2015, https://works.vntu.edu.ua/index.php/works/article/view/434.