Stanisław Wacławek; Holger V. Lutze; Klaudiusz Grübel; Vinod V. T. Padil; Miroslav Černík; Dionysios D. Dionysiou. Chemistry of persulfates in water and wastewater treatment: A review. Chemical Engineering Journal. 2017, s. 44–62. doi:10.1016/j.cej.2017.07.132.