Cheipesh, Tatyana A. “Some Approaches to Spectrophotometric Data Processing. Calculation of Ionization Constants of Tribasic and Tetrabasic Fluorescein Dyes”. Kharkiv University Bulletin. Chemical Series0, no. 22 (December 20, 2013): 106-112. Accessed May 7, 2024. https://periodicals.karazin.ua/chemistry/article/view/14427.