Bała, M., Cichy, A., & Wasilewska-Błaszczyk, M. (2019). Attempts to calculate the pseudo-anisotropy of elastic parameters of shales gas formations based on well logging data and their geostatistical analysis. Geology, Geophysics and Environment, 45(1), 5. https://doi.org/10.7494/geol.2019.45.1.5