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| NON posseduto | |
| Autore principale: | Gray, John Edward, 1800-1875.
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| Titolo: | Conchological observations, being an attempt to fix the study of conchology on a firm basis / John Edward Gray. |
| In: |  Zoological journal Vol. 1 (1825), p. 204-223 |
| 000000171588 |
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