검색결과 : 2건
No. | Article |
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1 |
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 |
2 |
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 |