검색결과 : 1건
| No. | Article |
|---|---|
| 1 |
Occurrence of non-mineral inorganic elements in low-rank coal macerals as shown by electron microprobe element mapping techniques Li ZS, Ward CR, Gurba LW International Journal of Coal Geology, 70(1-3), 137, 2007 |
| No. | Article |
|---|---|
| 1 |
Occurrence of non-mineral inorganic elements in low-rank coal macerals as shown by electron microprobe element mapping techniques Li ZS, Ward CR, Gurba LW International Journal of Coal Geology, 70(1-3), 137, 2007 |