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56 Šn/2458-sep.
ERBEN, H.K.
Ammonoids: Early Ontogeny of Ultramicroscopical Shell Structure / H.K. Erben - G. Flajs - A. Siehl. -- S.396-398 : 4 Figs. -- In: Nature. -- 1968, Vol.219, No.5152. -- separát. -- bibl.. -- Citováno jako: ERBEN, H.K. - FLAJS, G. - SIEHL, A. Ammonoids: Early Ontogey of Ultramicroscopical... Nature. 1968, Vol.219, No.5152, S.396-398: 4 Figs.
Ammonoidea
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