Porter, M.E. & Beltrán, J.L. & Koob, T.J. & Summers, A.P. (2006)
Material properties and biochemical composition of mineralized vertebral cartilage in seven elasmobranch species (Chondrichthyes).
Journal of Experimental Biology, 209(15), 2920–2928 DOI: 10.1242/jeb.02325