KURHANSKYI, V. and TISHAIEV, I. (2006) “ON ENVIRONMENTAL CONTAMINATION DURING OIL AND GAS WELLS DRILLING”, Visnyk of Taras Shevchenko National University of Kyiv. Geology, (38-39), pp. 7–9. Available at: https://geology.bulletin.knu.ua/en/article/view/3279 (Accessed: 11 October 2026).