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Lua i Stíl Chicago (17ú heag.)Agashe, Shripad N. Paleobotany: Plants of the Past, Their Evolution, Paleoenvironment and Application in Exploration of Fossil Fuels. Enfield, NH: Science Pub, 1997.
Lua MLA (9ú heag.)Agashe, Shripad N. Paleobotany: Plants of the Past, Their Evolution, Paleoenvironment and Application in Exploration of Fossil Fuels. Science Pub, 1997.
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