Wang, Cixun, et al. “Well-to-Ground Electrical Resistivity Tomography (ERT) for Fracture Monitoring in Shale Gas Reservoirs: Application to the Wulalike Formation”. Academic Journal of Science and Technology, vol. 14, no. 2, Mar. 2025, pp. 254-62, https://doi.org/10.54097/25v2ka76.