ON THE INFLUENCE OF SULFURIC ACID ON THE OXIDATION RATE OF DIPHENYLAMINE BY POTASSIUM PERSULFATE IN WATER–DIOXANE MICELLAR SOLUTIONS OF SODIUM PENTADECHYLSULFONATE. Proceedings of the YSU B: Chemical and Biological Sciences, v. 35, n. 1 (194), p. 65–68, 16 Mar.2001.