| Zugriffe | |
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| The Xiaoyangqiao section, Dayangcha, North China: the new global Auxiliary Boundary Stratotype Section and Point (ASSP) for the base of the Ordovician System | 201 |
| April 2025 | Mai 2025 | Juni 2025 | Juli 2025 | August 2025 | September 2025 | Oktober 2025 | |
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| The Xiaoyangqiao section, Dayangcha, North China: the new global Auxiliary Boundary Stratotype Section and Point (ASSP) for the base of the Ordovician System | 12 | 11 | 14 | 7 | 2 | 19 | 8 |
| Zugriffe | |
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| IUGS044-04-359.pdf | 306 |
