6

Coal and sustainable energy supply challenges and barriers

Year:
2008
Language:
english
File:
PDF, 1.56 MB
english, 2008
25

GEOTECHNICAL INVESTIGATION AT LIGNITE MINES

Year:
1999
Language:
english
File:
PDF, 1.66 MB
english, 1999
30

Lignite industry in Greece within a world context: Mining, energy supply and environment

Year:
2008
Language:
english
File:
PDF, 868 KB
english, 2008