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Huber, D.R. & al. (2005): Analysis of the bite force and mechanical design of the feeding mechanism of the durophagous horn shark Heterodontus francisci. The Journal of Experimental Biology208, pp 3553-3571 «Arkivert kopi»(PDF). Arkivert fra originalen(PDF) 17. juni 2009. Besøkt 11. mai 2008.
Huber, D.R. & al. (2005): Analysis of the bite force and mechanical design of the feeding mechanism of the durophagous horn shark Heterodontus francisci. The Journal of Experimental Biology208, pp 3553-3571 «Arkivert kopi»(PDF). Arkivert fra originalen(PDF) 17. juni 2009. Besøkt 11. mai 2008.