Martin JM Bless, Kirill V Simakov, and Maurice Streel (1988)
Advantages and disadvantages of a conodont-based or event-stratigraphic Devonian-Carboniferous Boundary
Courier Forschungs-Institut Senckenberg, vol. 100 p. 3-14.
18118, DEV, CARB, TN, FA, HISTSTRA, PALYNO, PALMIC, TRATBIO
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