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Semiconductor gel in shark sense organs? Neuroscience Letters, 426(3), 166–170
DOI: 10.1016/j.neulet.2007.08.064

Heyer, G.W. & Fields, M.C. & Fields, R.D. & Kalmijn, A.J. (1981)
Field experiments on electrically evoked feeding responses in the pelagic blue shark, Prionace glauca [Abstract]. Biological Bulletin, 161, 344–345