Petrography and geochemistry of Oligocene bituminous coal from the Jiu Valley, Petroşani basin (southern Carpathian Mountains), Romania

Autor: Belkin, Harvey E., Tewalt, Susan J., Hower, James C., Stucker, J.D., O'Keefe, Jennifer M.K., Tatu, Calin A., Buia, Grigore
Zdroj: In International Journal of Coal Geology 2010 82(1):68-80
Databáze: ScienceDirect