Tian, Xinna, Wenping Zhang, Youhong Xiao, and Peilin Zhou. “Investigation on the Effect of Ammonia Distribution on Selective Catalytic Reduction Conversion Efficiency”. Asian Journal of Chemistry 24, no. 12 (August 13, 2012): 5889–5893. Accessed July 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/9991.