검색결과 : 2건
| No. | Article |
|---|---|
| 1 |
Pyroclastic kaolin coal-tonsteins of the Upper Carboniferous of Zonguldak and Amasra, Turkey Burger K, Bandelow FK, Bieg G International Journal of Coal Geology, 45(1), 39, 2000 |
| 2 |
Global changes in intensity of the Earth's magnetic field during the past 800 kyr Guyodo Y, Valet JP Nature, 399(6733), 249, 1999 |