Gavazov, Kiril Blazhev, and Galya K. Toncheva. “Extraction-Spectrophotometric Studies on the Ion-Pairing Between Some 2,3,5-Substituted Monotetrazolium Cations and Anions Deriving from 4-(2-Thiazolylazo)resorcinol or 4-(2-Pyridylazo)resorcinol”. JOURNAL OF ADVANCES IN CHEMISTRY 5, no. 2 (September 17, 2009): 641–651. Accessed April 29, 2024. https://rajpub.com/index.php/jac/article/view/2653.