BEAK (ANIMAL PHYSIOLOGY, ANIMAL MORPHOLOGY)
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BTSOMATOLOGY (ANIMAL PHYSIOLOGY, ANIMAL MORPHOLOGY)
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UDC591.498.5
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Descriptor GERSCHNABEL (TIERPHYSIOLOGIE, TIERMORPHOLOGIE)
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Descriptor ENGBEAK (ANIMAL PHYSIOLOGY, ANIMAL MORPHOLOGY)
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Descriptor FREBEC (PHYSIOLOGIE ET MORPHOLOGIE ANIMALE)
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Variant ENGBILL (ANIMAL PHYSIOLOGY, ANIMAL MORPHOLOGY)