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Název : | Lower Llandovery of the Northern Applachians and Adjacent Regions / William G. Ayrton et al.
| Hlavní autor : | Ayrton, William G.
| Rozsah : | S.459-484 : 4 Figs.
| MDT : | 56
| In : | Geological Society of America Bulletin. -- 1969, Vol.80, March.
| Poznámka : | separát
| | bibl.
| Citováno jako : | AYRTON, William G. et al. Lower Llandovery of the Northen... Geol. Soc. Amer. Bull. 1969, Vol.80, March, S.459-484: 4 Figs., 1 Pl.
| Kl.slova : | Lower Llandovery - Trilobiti |
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