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Mitteilung |
MOc: 04.09.10 |
Erich Willems |
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Mitteilung |
CGaa: 15.09.11 |
Erich Willems |
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Biblio |
Parrots in captivity |
Erich Willems |
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Seite |
MOc: 23.08.09 |
Erich Willems |
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Biblio |
Threatened fishes of the world : Tanichthys albonubes Lin 1932 |
Erich Willems |
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Biblio |
Genetic Sex Differentiation in Fish |
Erich Willems |
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Biblio |
Object permanence in four species of psittacine birds: An African Grey parrot (Psittacus erithacus), an Illiger mini macaw (Ara maracana), a parakeet (Melopsittacus undulatus), and a cockatiel (Nymphicus hollandicus) |
Erich Willems |
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Biblio |
Fish Phyiology, Toxicology and Water Quality |
Erich Willems |
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Biblio |
Evidence for contagious behaviors in budgerigars (Melopsittacus undulatus): An observational study of yawning and stretching |
Erich Willems |
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Biblio |
Die Atmung der Labyrinthfische |
Erich Willems |
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Biblio |
La Tuta Esperanto |
Erich Willems |
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Buchseite |
TP: 20.03.14 |
Erich Willems |
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Biblio |
Bulletin of the British Ornithologists' Club. |
Erich Willems |
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Seite |
MOc: Q4 2010 |
Erich Willems |
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Seite |
PR: 04.06.09 |
Erich Willems |
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Mitteilung |
MOc: 29.06.11 |
Erich Willems |
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Mitteilung |
MOc: 06.04.11 |
Erich Willems |
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Biblio |
Diskussion: Macropodus ocellatus keeper |
Erich Willems |
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Biblio |
Macropodus in garden ponds |
Erich Willems |
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Biblio |
Sedimentology and history of sea level changes in the east china sea and adjacent seas |
Erich Willems |
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Blogeintrag |
Kurz Notiert: Kolkrabe über Haigerloch-Trillfingen |
Erich Willems |
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Biblio |
Die Lebensweise der Vögel / |
Erich Willems |
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Seite |
Hinterfragungen |
Erich Willems |
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Biblio |
Rundschwanzmakropoden Macropodus ocellatus aus dem Reich der Mitte |
Erich Willems |
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Mitteilung |
MOc: 07.04.11 |
Erich Willems |
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