Author: Koliha, J., 1924.:
Title: Les Atrémates des Couches de Krusná Hora,-d-alpha. [Palaeontogr. Bohem., 10.]
Description: Praha. 4to. Pp. 61, 23 photos on 2 plates, 8 figs., bibliogr. Orig. wrappers. - Tremadoc (Early Ordovician). Czech text with condensed French translation.

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