검색결과 : 3건
| No. | Article |
|---|---|
| 1 |
The contribution of carbonaceous layers to the lignite exploitation in Southern Field Mine, Ptolemais, Greece Kolovos N Energy Sources, 25(4), 279, 2003 |
| 2 |
Environmental effects of lignite and intermediate steriles coexcavation in the Southern lignite field mine of Ptolemais, northern Greece Kolovos N, Georgakopoulos A, Filippidis A, Kavouridis C Energy Sources, 24(6), 561, 2002 |
| 3 |
The effects on the mined lignite quality characteristics by the intercalated thin layers of carbonates in Ptolemais mines, Northern Greece Kolovos N, Georgakopoulos A, Filippidis A, Kavouridis C Energy Sources, 24(8), 761, 2002 |