At: Bulletin of the Geological Society of China, 18, 3-4 By: Paul H.
journalAt: Science reports of the Tohoku Imperial University, Series, 2, Geology, 14, 1 By: Yabe H., Ozaki K.-E.
bookAt: Glean. Bot. Res., Curr. Scen. (Ramanujam Comm. Vol.), Nagpur, Dattsons By: Awasthi N., Mehrotra R. C.
journalAt: Butler University Botanical studies, 14, 1 By: Daily E. F. K.
journalAt: Annals of Botany, 109, 5 By: Schönenberger J., von Balthazar M., Takahashi M., Crane P. R., Herendeen P. S.
journalAt: Geobios, 44, 5 By: Martínez L. C. A., Rodríguez-Brizuela R.
bookAt: Glimpses Cosm., New York & London, G. P. Putnam's sons, 4 By: Ward L. F.
journalAt: Doklady Akademii nauk Belorusskoi SSR, 31, 10 By: Jakubovskaja T. V.
bookAt: Divers. Conserv. Pl. Trad. Knowl., Dehra Dun, Bishen Singh Mahendra Pal Singh By: Khan A. M., Bera S. K.
journalAt: Botanical Journal of the Linnean Society, 86, 3 By: Melville R.