At: Palaeontographica, Abtheilung, B, Paläophytologie, 165, 4-6 By: Baxter R. W.
bookAt: Nat. Schöpfungsgesch., Berlin, G. Reimer By: Häckel E.
journalAt: Moksliniai pranešimai Geologijos ir geografijos institutas, Lietuvos TSR Mokslų akademija, 8 By: Baltakytė-Vienožinskienė A.
journalAt: Geophytology, 14, 2 By: Sarate O. S., Ram-Awatar
journalAt: Doklady Akademii Nauk SSSR, 138, 3 By: Maslov V. P.
journalAt: Index Horti Botanici Universitatis Budapestinensis, 7 By: Andreánszky G.
journalAt: Acta Botanica Sinica, 25, 6 By: Huang B.-H.
bookAt: Rept. 1st Sci. Exped. Manchoukuo, Tokyo, 第一次滿蒙學術調查硏究團 = Office of the Scientific Expedition to Manchoukou, Faculty of Science and Engineering, Waseda University, Section 2, 3 By: Matuzawa I.
journalAt: Sborník Přírodovědecké Společnosti v Moravské Ostravě, 7 By: Šusta V.
journalAt: Vesnik Zavoda za Geološka i Geofizička Istraživanja NR Srbije, 17 By: Radoičić R.