Moomivand, H. ., S. Moosazadeh, and S.-O. . Gilani. “A New Empirical Approach to Estimate the Ratio of Horizontal to Vertical in-Situ Stress and Evaluation of Its Effect on the Stability Analysis of Underground Spaces”. Rudarsko-geološko-Naftni Zbornik, vol. 37, no. 3, May 2022, pp. 97-107, doi:10.17794/rgn.2022.3.8.