Khorshidi, Alireza, Shahab Shariati, and Masoomeh Abootalebi. “Synthesis of Bis- and tris(indolyl)methanes Catalyzed by an Inorganic Nano-Sized Catalyst Followed by Dehydrogenation to Hyperconjugated Products”. Journal of the Serbian Chemical Society 81, no. 9 (October 13, 2016): 1069–1079. Accessed December 22, 2024. https://shd-pub.org.rs/index.php/JSCS/article/view/2256.