World coal resources: Methods of assessment and results
Fettweis Gunter B
World coal resources: Methods of assessment and results - Amsterdam Elsevier Scientific Publishing 1979 - 415p. cm. - Developments in economic geology; 10 .
50028
Textual
Geology
Mineral
Natrual resources
Coal
HZ551, L9
World coal resources: Methods of assessment and results - Amsterdam Elsevier Scientific Publishing 1979 - 415p. cm. - Developments in economic geology; 10 .
50028
Textual
Geology
Mineral
Natrual resources
Coal
HZ551, L9
