Xu, Qiang, Mei-Lan Xie, Xiezhi Gang, Yue Hua, and Zong-Rong Song. 2015. “Electrochemical Behaviour and Simultaneous Determination of Hydroquinone and Catechol at Poly-L-Leu Modified Carbon Electrode”. Asian Journal of Chemistry 27 (4):1223-26. https://doi.org/10.14233/ajchem.2015.17181.