M. G. Müller, N. P. Lorandi, M. . V. G. Zimmermann, H. . Luiz Ornaghi Júnior, A. L. Gasparin, and D. Romanzini, “Synergic effect of oxidized polyacrylonitrile fibers and zinc borate on spark suppression in automotive brake pad composite materials”, J. Appl. Mat. Tech., vol. 8, no. 1, pp. 55–66, Jul. 2026.