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) Journal title: Geology, Geophysics & Environment Authors: K. Probierz, M. Kwaśny Subject(s):
Ocena jakości paliw na przykładzie węgli kamiennych i pelletów drzewnych Journal title: Górnictwo Odkrywkowe Authors: Iwona Jelonek, Zbigniew Jelonek, Adam Nocoń Subject(s): Mineralogy, Mining, Science
Petrographic and palynological investigations of Sinanpaşa (Afyon) Miocene coals Journal title: Bulletin of the Mineral Research and Exploration Authors: Subject(s):
