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Názov : | Ordovician News / IUGS.
| Hlavný autor : | IUGSIUGS, 199-
| Rozsah : | 55s.,
| MDT : | 56
| In : | Ordovician News. -- International Union of Geological Sciences. International Commission on Stratigraphy. International Subcommission on Ordovician Stratigraphy. 1990, No.7.
| Poznámka : | bibl.
| Pr. heslá : | IUGS
ordovik - časopisy |
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