Waldemar Studziński, and Anna Karczmarek. “Effect of Various Agents on Stability of 2-Phenylbenzimidazole-5-Sulfonic Acid”. ACTA INNOVATIONS 25 (October 31, 2017): 5–12. Accessed May 6, 2025. https://www.actainnovations.com/index.php/pub/article/view/25_1.