At: Journal of the Botanical Research Institute of Texas, 6, 1 By: Chambers K. L., Poinar G. O.
journalAt: Publications of the Carnegie Institution of Washington, 534 By: MacGinitie H. D.
journalAt: Bulletin of the Torrey Botanical Club, 44, 7 By: Berry E. W.
journalAt: American Journal of Science, Series 4, 43, 256 By: Berry E. W.
journalAt: Geological Survey of Japan Report, 253 By: Onoe T.
journalAt: Geodiversitas, 26, 1 By: Krassilov V. A., Golovneva L. B.
journalAt: Geological Survey of Japan Report, 187 By: Tanai T., Onoe T.
journalAt: Professional Papers / United States Geological Survey, 140, C By: Berry E. W.
journalAt: Johns Hopkins University Studies in Geology, 6 By: Berry E. W.
journalAt: Publications of the Carnegie Institution of Washington, 507 By: Hu H.-H., Chaney R. W.