HULTSCH H (1997) Dutch Ornithological Union: Theme Day Bird sounds as the subject for Biological Behavior Research Singing and vocal development of the Common Nightingale Luscinia megarhynchos. LIMOSA 70 (2): 78-78.

Dutch Ornithological Union: Theme Day Bird sounds as the subject for Biological Behavior Research Singing and vocal development of the Common Nightingale Luscinia megarhynchos

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