Rusakov, O. M., and R.I. Kutas. 2011. “Problems of Assessing the Oil and Gas Potential of the North-Eastern Part of the Ukrainian Sector of the Black Sea”. Geofizicheskiy Zhurnal 33 (4):50-61. https://doi.org/10.24028/gzh.0203-3100.v33i4.2011.116895.