Olszewska A, Barczak K, Drewniak Łukasz, Drewniak S, Łobos-Moysa E, Zimoch I, et al. Application of ultraviolet absorption spectroscopy for the determination of nitrogen compounds in anthropogenically impacted surface waters: A case study of the Kłodnica River. Opto-Electron. Rev. [Internet]. 2026 Sep. 9 [cited 2026 Oct. 10];34(3):5984. Available from: https://wydawnictwo.pan.pl/index.php/opelre/article/view/5984