Speaker
B. MERTAS
(Institute for Chemical Processing of Coal, Zabrze, Poland)
Author
B. MERTAS
(Institute for Chemical Processing of Coal, Zabrze, Poland)
Co-authors
A. SOBOLEWSKI
(Institute for Chemical Processing of Coal, Zabrze, Poland)
Ł. SMĘDOWSKI
(Institute for Chemical Processing of Coal, Zabrze, Poland)