At: Fortschritte in der Geologie von Rheinland und Westfalen, 12 By: Wolf M.
journalAt: Professional Papers / United States Geological Survey, 1084 By: Frederiksen N. O.
journalAt: Prace Wrocławskiego Towarzystwa Naukowego, Series, Seria B, 106 By: Macko S.
journalAt: Trudy Instituta geologii Komi filiala Akademii nauk SSSR, 25 By: Fefilova L. A.
journalAt: International Journal of Plant Sciences, 158, 4 By: Konopka A. S., Herendeen P. S., Merrill G. L. S., Crane P. R.
journalAt: Nature Plants, 4 By: Libertín M., Kvaček J., Bek J., Žárský V., Štorch P.
bookAt: Atlas Rukov. Form Fauny Fl. Kuzn. Bas., Moscow, Gosudarstvennoe nauchno-tekhnicheskoe izdatel'stvo literatury po geologii i okhrane nedr By: Andreeva E. M.
journalAt: Trudy Instituta geologicheskikh nauk Akademii nauk SSSR, 145 By: Bolkhovitina N. A.
journalAt: Vestnik Khar’kovskogo Universiteta, 55 By: Han N. S.
journalAt: Trudy Gorno-Geologicheskogo Instituta Ural'skogo Filiala Akademii Nauk SSSR, 51 By: Poluchina V. A.