Zhaoyun Zong, Xingyao Yin, and Guochen Wu. “Amplitude Variation With Offsets and Azimuths Simultaneous Inversion for Elastic and Fracture Parameters”. International Journal of Petroleum Technology 1, no. 2 (January 8, 2015): 41–47. Accessed February 5, 2025. https://avantipublisher.com/index.php/ijpt/article/view/148.