Beobachtungen und Fragen zur Biologie des Kolkraben (Corvus c. corax L.) (original) (raw)

• Gustav Kramer1

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Literatur

1. Naumann(-Hennicke), Naturgesch. d. Vög. Mitteleur. IV.
2. J. f. O.79, p. 113.
3. p. 335 unten.
4. Danske FugleIX p. 171 ff.
5. J. f. O. 74 p. 516.

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1. Berlin
   Gustav Kramer

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Kramer, G. Beobachtungen und Fragen zur Biologie des Kolkraben (Corvus c. corax L.).J. Ornithol 80, 329–342 (1932). https://doi.org/10.1007/BF01905402

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• Published: 01 July 1932
• Issue date: July 1932
• DOI: https://doi.org/10.1007/BF01905402