Zhang, Jie, Jing Tian, Hai-Yang Wang, Li Zhang, Gang Chen, Jing-Rui Zhao, and Hong Li. “Synthesis and Evluation of Lignosulphonate Mannich Base As Eco-Friendly Corrosion Inhibitors”. Asian Journal of Chemistry 26, no. 22 (November 6, 2014): 7643–7646. Accessed July 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_24_35.