검색결과 : 2건
| No. | Article |
|---|---|
| 1 |
Evolution of Pennsylvanian (Late Carboniferous) peat swamps of the Ruhr Basin, Germany: Comparison of palynological, coal petrographical and organic geochemical data Jasper K, Hartkopf-Froder C, Flajs G, Littke R International Journal of Coal Geology, 83(4), 346, 2010 |
| 2 |
Characteristics of type III kerogen in coal-bearing strata from the Pennsylvanian (Upper Carboniferous) in the Ruhr Basin, Western Germany: Comparison of coals, dispersed organic matter, kerogen concentrates and coal-mineral mixtures Jasper K, Krooss BM, Flajs G, Hartkopf-Froder C, Littke R International Journal of Coal Geology, 80(1), 1, 2009 |