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Title : | Cambrian Agnostida of North America and Greenlad Part 1. Ptychagnostidae / R.A. Robison
| Main author : | Robison, Richard A.
| Extent : | 59 S. : Pl.1-32
| UDC : | 56
| In : | Paleontological Contributions. -- 1984, Pap.109
| Note : | separát
| | bibl.
| Citováno jako : | ROBISON, R.A. Cambrian Agnostida of North America... Paleont. Contr. 1984, Pap.109, 59 S., Pl.1-32
| Kl.slova : | Cambrian Agnostida |
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