PROBIERZ, K.; KWAŚNY, M. Changes of coal rank and petrographic composition of coals from the drillhole BD 57 deposit of "Bzie-Dębina" in the Jastrzębie area (SW part of the Upper Silesian Coal Basin). Geology, Geophysics and Environment, [S. l.], v. 40, n. 1, p. 66, 2014. DOI: 10.7494/geol.2014.39.1.66. Disponível em: https://journals.agh.edu.pl/geol/article/view/711. Acesso em: 13 jul. 2024.