Christensen, Christensen-Dalsgaard and Madsen 2015

Christensen, C. B., Christensen-Dalsgaard, J., & Madsen, P. T. (2015). Hearing of the African lungfish (Protopterus annectens) suggests underwater pressure detection and rudimentary aerial hearing in early tetrapods. Journal of Experimental Biology, 218(3), 381–387. doi:10.1242/jeb.116012. https://jeb.biologists.org/content/jexbio/218/3/381.full.pdf