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| 1. |
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Geologic Time Scale 2020
Felix M Gradstein
Häftad. Elsevier, USA, 2020.
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| 2. |
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Geologic Time Scale 2020
Felix Gradstein, James G Ogg, Mark D Schmitz, Gabi M Ogg
E-bok. Elsevier Science, USA, 2020.
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| 3. |
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Geologic Time Scale 2012
Felix Gradstein, J G Ogg, Mark D Schmitz, Gabi M Ogg
E-bok. Elsevier Science, 2012.
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| 4. |
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Concise Geologic Time Scale
J G Ogg, Gabi M Ogg, Felix Gradstein
E-bok. Elsevier Science, 2016.
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| 5. |
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Geologic Time Scale 2004
Felix M Gradstein, James G Ogg, Alan G Smith
E-bok. Cambridge University Press, Storbritannien, 2005.
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| 6. |
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A Geologic Time Scale 2004
Felix M Gradstein
Häftad. Cambridge University Press, Storbritannien, 2005.
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