![PDF) Fossil flora of Middle Jurassic Grojec clays (southern Poland). Raciborski's original material reinvestigated and supplemented. II. Pteridophyta. Osmundales PDF) Fossil flora of Middle Jurassic Grojec clays (southern Poland). Raciborski's original material reinvestigated and supplemented. II. Pteridophyta. Osmundales](https://i1.rgstatic.net/publication/312159923_Fossil_flora_of_Middle_Jurassic_Grojec_clays_southern_Poland_Raciborski's_original_material_reinvestigated_and_supplemented_II_Pteridophyta_Osmundales/links/58734d3f08ae8fce49238e21/largepreview.png)
PDF) Fossil flora of Middle Jurassic Grojec clays (southern Poland). Raciborski's original material reinvestigated and supplemented. II. Pteridophyta. Osmundales
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Flora Fossilis Arctica: Die Fossile Flora Der Polarlander: Seibenter Band, enthaltend Den zweiten theil der fossilen flora Gronlands. de Heer, Oswald.: Publisher's printed wraps. (1883) | Zephyr Books
New observations of marine trace fossils in delta plain sequences, southern Nûgssuaq, West Greenland
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Flora Fossilis Grønlandica: Afbildninger Af Grønlands Fossile Flora: Meddelelser om Grønland Vol 5. Plate Supplement Volume: Osvald Heer: Amazon.com: Books
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