“EXTRACTION OF TRACE METALS FROM SOLUTIONS USING SORBENT SEQUENTIALLY MODIFIED BY POLYHEXAMETHYLENE GUANIDINE AND TRILON B”. Bulletin of Taras Shevchenko National University of Kyiv. Chemistry, vol. 51, no. 1, Nov. 2015, pp. 19-23, https://chemistry.bulletin.knu.ua/en/article/view/8516.