Śpiew waleni (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Śpiew waleni" in Polish language version.

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int-res.com

  • Mark A. McDonald et. al.: Worldwide decline in tonal frequencies of blue whale songs. Endangered Species Research, Band 9, 2009, S, 13–21, DOI 10.3354/esr00217, Volltext (PDF)