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journalAt: Science bulletin, 60, 20 By: Huang Y.-J., Ji X.-P., Su T., Wang L., Deng C.-L., Li W.-Q., Luo H.-F., Zhou Z.-K.
journalAt: International Journal of Plant Sciences, 168, 3 By: Takahashi M., Friis E. M., Crane P. R.
bookAt: Transf. Paleobot., London, Academic Press By: Friis E. M., Crane P. R., Pedersen K. R.
journalAt: Botany, 94, 8 By: Poinar G. O., Kevan P. G., Jackes B. R.
journalAt: Svensk Botanisk Tidskrift, 48, 2 By: Arnold C. A.
journalAt: Prace Muzeum Ziemi, 37 By: Grolle R.
journalAt: Syesis, 4 By: Mathewes R. W., Brooke R. C.
journalAt: Current Science, 28, 7 By: Dwivedi J. N.
journalAt: Saitō Hō-on Kai Museum research bulletin, 48 By: Suzuki K.