ZHANG, H.; PENG, X.; ZHAO, S. Metal Ion-Exchanged Bentonites as Useful Solid Catalysts for Regioselective Nitration of Toluene. Asian Journal of Chemistry, [S. l.], v. 25, n. 6, p. 3511–3512, 2013. DOI: 10.14233/ajchem.2013.13631. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/25_6_139. Acesso em: 21 jul. 2024.