Šimić, Kristina, Tanja Pušić, Ivo Soljačić, and Tihana Dekanić. 2021. “Impact of Metal Ions Concentration on Effects of Fluorescent Whitening Agents for Cellulose Substrates”. Tekstil 70 (1-3): 21-29. https://www.tekstil2.hist.hr/index.php/tekstil/article/view/4734.