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56 Šn/116-sep.
BERGSTRÖM, Jan
Palaeoecologic aspects of an Ordovician Tretaspis fauna / Jan Bergström. -- S.179-206 : 4 Figs., 2 Pls. 1 tbl. -- In: Acta Geologica Polonica. -- 1973, Vol.23, No.2. -- separát. -- bibl.. -- Citováno jako: BERGSTRŐM, Jan Palaeoecologic aspects of an Ordovician... Acta geol. Polonica. 1973, Vol.23, No.2... Acta geol. Pol. 1973, Vol.23, No.2, S.179-206: 4 Figs., 2 Pls.
Tretaspis
Remopleurides
Cyclopyge
56
61606
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