Fyk, M. I., S. Palis, and J. I. Kovalchuk. “Gas Well Production Enhancement on the Application of Innovative Structural and Thermal Insulation Nano-Coatings”. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology", no. 45, Mar. 2017, pp. 80-85, https://periodicals.karazin.ua/geoeco/article/view/8185.