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56 HVL 302
COCKS, Leonard Robert Morrison
The biostratigraphy of the upper Ordovician and lower Silurian of south-west Dyfed, with comments on the Hirnantia fauna / by L.R.M.Cocks and D.Price. -- London : Palaeontological Association, 1975. -- S.703-724, : obr. -- In: Palaeontology, 1975, vol.18, part 4.. -- reprint. -- bibl.
Brachiopoda - Hirnantia fauna - Pembrokeshire
56
57153
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