1. A. V. Agafonov, I. V. Logominova, and E. M. Panova, Two Systems of Acoustic Communication Signals for Bottlenose Dolphins (Tursiops truncatus Montagu, 1821): Characteristics, Structure, Functions (ARIAL, Simferopol, 2018) [in Russian].
2. A. V. Agafonov, E. M. Panova, and I. V. Logominova, Typology of Bottlenose Dolphin (Tursiops truncatus) Tones (ROO SMM, Moscow, 2016) [in Russian].
3. V. M. Bel’kovich, Dolphin Orientation. Mechanisms and Models (NTsSSKh im. A. N. Bakuleva RAMN, Moscow, 2001) [in Russian].
4. Typological features of the whistle signals of bottlenose dolphins;V. M. Bel’kovich,1978
5. Ethological-acoustic correlates of the Black Sea bottlenose dolphins;V. M. Bel’kovich,1997