Słota-Valim, Małgorzata, et al. “Geomechanical Modelling of Paleozoic Shale Gas Formation: A Case Study from the Baltic Basin, Northern Poland”. Geology, Geophysics and Environment, vol. 43, no. 3, Feb. 2018, p. 249, https://doi.org/10.7494/geol.2017.43.3.249.