Zhu, Yuanqing, Song Zhou, Miao Liu, and Jinyu Wang. 2012. “Study on Catalytic Activity and Kinetics of Urea-SCR Processes for NOx Removal from a Marine Diesel Exhaust Flow”. Asian Journal of Chemistry 24 (12):5519-21. https://asianpubs.org/index.php/ajchem/article/view/9922.