Sh. Zhantayev, Z., Chepashev, D., Kaldybaev А., Nurakynov, S., & Ungarov, K. (2020). MAPPING FREQUENCY OF OIL SPILLS IN THE CASPIAN SEA USING SENTINEL-2 OPTICAL IMAGES. Известия НАН РК. Серия физико-математическая, (3), 183–190. извлечено от http://89.250.84.46/physics-mathematics/article/view/488