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journalAt: Journal of the Geological Society of Tokyo, 25, 297 By: Kryshtofovich A. N.
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journalAt: Collection and Research, 16 By: Li C.-Y., Wang C.-M., Hsiao J.-Y., Yang C.-H.
journalAt: Journal of the Botanical Research Institute of Texas, 5, 2 By: Chambers K. L., Poinar G. O., Brown A. E.