Articles by Witold Kawalec
OPERATIONAL COAL QUALITY CONTROL IN GERMAN LIGNITE BASED POWER INDUSTRY
Mining Science 2006;VIII(1):111–120
Structure of the rock mineral deposits geoinformation system - assumptions
Jan Blachowski, Justyna Górniak-Zimroz, Leszek Jurdziak, Witold Kawalec, Katarzyna Pactwa, Joanna Specylak-Skrzypecka, Grażyna Ślusarczyk
Mining Science 2011;132(Special Issue 39):23–34
Energy efficiency of the bottom cover of a conveyor belt – the first step to the new classification of belts
Mining Science 2014;21(Special Issue 2):47–60
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