Corso, J. F. (1963). "Bone-conduction thresholds for sonic and ultrasonic frequencies". Journal of the Acoustical Society of America. 35 (11): 1738–1743. Bibcode:1963ASAJ...35.1738C. doi:10.1121/1.1918804.
"Audiogram of a harbor porpoise (Phocoena phocoena) measured with narrow-band frequency modulated signals". The Journal of the Acoustical Society of America. 112 (1): 334–344. 2002. Bibcode:2002ASAJ..112..334K. doi:10.1121/1.1480835. PMID12141360.
Mann DA; Higgs, Dennis M.; Tavolga, William N.; Souza, Marcy J.; Popper, Arthur N. (2001). "Ultrasound detection by clupeiform fishes". JASA. 109 (6): 3048–3054. Bibcode:2001ASAJ..109.3048M. doi:10.1121/1.1368406.
Corso, J. F. (1963). "Bone-conduction thresholds for sonic and ultrasonic frequencies". Journal of the Acoustical Society of America. 35 (11): 1738–1743. Bibcode:1963ASAJ...35.1738C. doi:10.1121/1.1918804.
"Audiogram of a harbor porpoise (Phocoena phocoena) measured with narrow-band frequency modulated signals". The Journal of the Acoustical Society of America. 112 (1): 334–344. 2002. Bibcode:2002ASAJ..112..334K. doi:10.1121/1.1480835. PMID12141360.
Mann DA; Higgs, Dennis M.; Tavolga, William N.; Souza, Marcy J.; Popper, Arthur N. (2001). "Ultrasound detection by clupeiform fishes". JASA. 109 (6): 3048–3054. Bibcode:2001ASAJ..109.3048M. doi:10.1121/1.1368406.
Strain, George M. (2010). "How Well Do Dogs and Other Animals Hear?". Prof. Strain's website. School of Veterinary Medicine, Louisiana State University. Dicapai pada 21 Julai 2012.
nih.gov
pubmed.ncbi.nlm.nih.gov
"Audiogram of a harbor porpoise (Phocoena phocoena) measured with narrow-band frequency modulated signals". The Journal of the Acoustical Society of America. 112 (1): 334–344. 2002. Bibcode:2002ASAJ..112..334K. doi:10.1121/1.1480835. PMID12141360.