KLESZCZ, K.; MIKA, M. Determination of cerium in ferrocerium lighter flint stone using Uv-Vis spectrophotometry. Science, Technology and Innovation, [S. l.], v. 4, n. 3, p. 125–128, 2017. DOI: 10.5604/01.3001.0010.8023. Disponível em: https://journals.anstar.edu.pl/index.php/sti/article/view/203. Acesso em: 22 jul. 2024.