Kaļva, Lilita, and Ērika Teirumnieka. “DETERMINATION OF WATER POLLUTION USING SATELLITE DATA”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 21 (April 19, 2017): 240–247. Accessed May 3, 2024. https://journals.rta.lv/index.php/HET/article/view/3571.