Number Ü-83-12
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Reference | Pealkiri | Pages | Remarks | |
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Heinsalu, H. et al., 1987 | The section of the Cambrian-Ordovician boundary beds in Ülgase, northern Estonia |
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Reference | Pealkiri | Pages | Remarks | |
---|---|---|---|---|
Heinsalu, H. et al., 1987 | The section of the Cambrian-Ordovician boundary beds in Ülgase, northern Estonia |