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journalAt: Proceedings of the United States National Museum, 62, 2465 By: Berry E. W.
journalAt: Review of Palaeobotany and Palynology, 259 By: Zhang Q.-Y., Huang J., Jia L.-B., Su T., Zhou Z.-K., Xing Y.-W.
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journalAt: Stockholm contributions in geology, 36, 1 By: Backman J.