Li, Zhenglan, Yonggang Duan, Quantang Fang, and Mingqiang Wei. 2018. “A Study of Relative Permeability for Transient Two-Phase Flow in a Low Permeability Fractal Porous Medium”. Advances in Geo-Energy Research 2 (4):369-79. https://ager.yandypress.com/index.php/2207-9963/article/view/54.