Keyword lignite
 

Selected harmful elements in Polish lignite

Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2013;29(3):47–59
 

New technological classification of lignite as a basis for balanced energy management

Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2010;26(2):25–39
 
eISSN:2299-2324
ISSN:0860-0953