Стебельська, Г. Я. (2017) “New approach to crude oil classification problem”, Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology", 0(46), pp. 50-56. Available at: https://periodicals.karazin.ua/geoeco/article/view/9513 (Accessed: 25November2024).