JI, Bao-Hua. Preparation and Structural Characterization for Polyacrylonitrile/Carbon Nanotubes Composites Treated with Concentrated Nitric Acid. Asian Journal of Chemistry, [S. l.], v. 24, n. 10, p. 4274–4276, 2012. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/9635. Acesso em: 22 jul. 2024.