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A proposed global boundary stratotype for the base of the upper Series of the Ordovician system: the Fagelsang section, Scania, southern Sweden
por Bergstrom, Stig M | Finney, Stanley C | Xu, Chen | Palsson, Christian | Zhi-hao, Wang | Grahn, Yngve. En: EpisodesTipo de material: Artículo de revista Editor: Beijing: International Union of Geological Sciences, June 2000Disponibilidad: Ítems disponibles para préstamo: (1).
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Correlation of Ordovician regional chitinozoan biozonations
por Paris, Florentin | Verniers, Jacques | Achab, Aicha | Albani, Roberto | Ancilletta, Antonio | Asselin, Esther | Chen, Xiaohong | Fatka, Oldrich | Grahn, Yngve | Molyneux, Stewart | Nolvak, Jaak | Samuelsson, Joakim | Sennikov, Nikolay V | Soufiane, Azzeddine | Wang, Xiaofeng | W | International Symposium on the Ordovician System, 8 Prague, Czech Republic June 20-25, 1999. En: Acta Universitatis Carolinae-GeologicaTipo de material: Artículo de revista Editor: Prague: Univerzita Karlova, 1999Disponibilidad: Ítems disponibles para préstamo: (1).
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