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Mit frdl. Genehmigung des Verfassers in gekürzter Fassung übersetzt aus „The Journal of the East Africa and Uganda Natural History Society“ Vol. XIII, Nos. 1 & 2, Nairobi 1936. Uebersetzung besorgt durch FrauGertrud Frank.
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Moreau, R.E. Die Brutbiologie des NashornvogelsBycanistes cristatus . J. Ornithol 87, 272–296 (1939). https://doi.org/10.1007/BF01951135
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DOI: https://doi.org/10.1007/BF01951135