Costa, Cristiane de Souza, et al. “Intraplate Seismicity in Pedra Preta (RN) in the Period from 2013 to 2014”. Geologia USP. Série Científica, vol. 17, no. 2, Aug. 2017, pp. 123-9, https://doi.org/10.11606/issn.2316-9095.v17-121972.