Zhang, Y., Zhuang, H., & Lu, H. (2009). Electrocatalytic Oxidation of Hydroquinone at Poly(crystal-violet) Film-Modified Electrode and Its Selective Determination in the Presence of o-Hydroquinone and m-Hydroquinone. Analytical Letters, 42(2), 339-351. doi:10.1080/00032710802507885.