Eshghi, Hossein, et al. “Fe(HSO4)3/SiO2:/An/Efficient/and/Heterogeneous/Catalyst/for/Cyclization/of/2-/Aminochalcones/to/2-/Aryl-2,3-/Dihydroquinolin-/4(1H)-/Ones”. Iranian Journal of Catalysis, vol. 4, no. 4, Feb. 2024, https://oiccpress.com/ijc/article/view/3815.