At: Norsk Polarinstitutt Skrifter, 192 By: Bose M. N., Manum S. B.
journalAt: Israel journal of botany, 41, 1 By: Raviv V., Lorch J. W.
bookAt: Ginkgo biloba, Tokyo, Springer By: Zhou Z.-Y.
journalAt: Pan-American Geologist, 41, 1 By: Berry E. W.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 166, 1-3 By: Krassilov V. A.
journalAt: Journal of the College of Science, Imperial University of Tokyo, 21, Art. 9 By: Yokoyama M.
journalAt: Journal of the College of Science, Imperial University of Tokyo, 20, Art. 8 By: Yabe H.
journalAt: Journal of the College of Science, Imperial University, Japan, 7, 3 By: Yokoyama M.
journalAt: Science reports of the Tohoku Imperial University, Series, 2, Geology, 12, 2 By: Yabe H., Ôishi S.
journalAt: Journal of the College of Science, Imperial University of Tokyo, 20, Art. 5 By: Yokoyama M.