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| Nome persona: | Omalius d'Halloy, Jean Baptiste Julien d' 1783-1875 |
| Trovato in: |
Bibliothèque royale de Belgique (opac) BNF in VIAF National library of the Netherlands in VIAF |
| Dati stor. biogr.: |
Geologo, nato a Liège, morto a Bruxelles |
| 181589 |