Zhang, Yongfeng, Jie Bai, Jingdong Cui, Fei Wu, and Hua Wang. 2011. “Removal and Recovery of Lead Ions from Wastewater of Lead-Acid Secondary Battery by a Hybrid Process Containing of Complexation-Ultrafiltration-Electrolysis”. Asian Journal of Chemistry 24 (3):992-96. https://asianpubs.org/index.php/ajchem/article/view/8694.