Song, Y., et al. “Removal of Trivalent Chromium from Aqueous Solutions by Amphiphilic Core-Shell poly(methyl Acrylate) Silk Sericin Nanospheres”. Polimery, vol. 52, no. 11-12, Aug. 2022, pp. 880-4, https://ichp.vot.pl/index.php/p/article/view/1484.