Tang, Lin, Yu Sun, Lingyun Zhou, and Taili Shao. “Magnetic Nano-Fe3O4 Supported Ionic Liquids: A Recoverable Phase Transfer Catalyst for C-N Cross Coupling Reaction”. Asian Journal of Chemistry 25, no. 11 (June 6, 2013): 6240–6242. Accessed June 30, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_12_85.