Stępień, Michał, and Andżelika Bukowska. 2019. “INFLUENCE OF Ho3+ IONS FOR THE QUANTITATION OF IRON (Fe) IN 0.1 M HCl SOLUTION USING MICROWAVE PLASMA-ATOMIC EMISSION SPECTROMETRY (MP-AES)”. Metallurgy and Foundry Engineering 44 (3):109. https://doi.org/10.7494/mafe.2018.44.3.109.