Kolasa, D., W. Ratajczak, M. Talma-Piwowar, J. Krakowiak, E. Majewska, and K. Polarczyk. 2021. “Analysis of Copper Content in the poly(phenylene Oxide) Production Process Streams”. Polimery 63 (4):290-96. https://doi.org/10.14314/polimery.2018.4.6.