Tougaard J., Kyhn L. A. Echolocation sounds of hourglass dolphins (Lagenorhynchus cruciger) are similar to the narrow band high-frequency echolocation sounds of the dolphin genus Cephalorhynchus (англ.) // Marine Mammal Science[англ.] : journal. — 2010. — Vol. 26, iss. 1. — P. 239—245. — ISSN1748-7692. — doi:10.1111/j.1748-7692.2009.00307.x. — S2CID84612368.
Tougaard J., Kyhn L. A. Echolocation sounds of hourglass dolphins (Lagenorhynchus cruciger) are similar to the narrow band high-frequency echolocation sounds of the dolphin genus Cephalorhynchus (англ.) // Marine Mammal Science[англ.] : journal. — 2010. — Vol. 26, iss. 1. — P. 239—245. — ISSN1748-7692. — doi:10.1111/j.1748-7692.2009.00307.x. — S2CID84612368.
Schevill W. E., Watkins W. A. Pulsed sounds of the porpoise Lagenorhynchus australis (англ.) // Breviora : journal. — 1971. — Vol. 366. — P. 1—10. — ISSN0006-9698. — OCLC80876226. — S2CID85787577.
Tougaard J., Kyhn L. A. Echolocation sounds of hourglass dolphins (Lagenorhynchus cruciger) are similar to the narrow band high-frequency echolocation sounds of the dolphin genus Cephalorhynchus (англ.) // Marine Mammal Science[англ.] : journal. — 2010. — Vol. 26, iss. 1. — P. 239—245. — ISSN1748-7692. — doi:10.1111/j.1748-7692.2009.00307.x. — S2CID84612368.
Tougaard J., Kyhn L. A. Echolocation sounds of hourglass dolphins (Lagenorhynchus cruciger) are similar to the narrow band high-frequency echolocation sounds of the dolphin genus Cephalorhynchus (англ.) // Marine Mammal Science[англ.] : journal. — 2010. — Vol. 26, iss. 1. — P. 239—245. — ISSN1748-7692. — doi:10.1111/j.1748-7692.2009.00307.x. — S2CID84612368.
Schevill W. E., Watkins W. A. Pulsed sounds of the porpoise Lagenorhynchus australis (англ.) // Breviora : journal. — 1971. — Vol. 366. — P. 1—10. — ISSN0006-9698. — OCLC80876226. — S2CID85787577.