Dahm, S. & Risnes, S. (1999)
A Comparative Infrared Spectroscopic Study of Hydroxide and Carbonate Absorption Bands in Spectra of Shark Enameloid, Shark Dentin, and a Geological Apatite. Calcified Tissue International, 65(6), 459–465
DOI: 10.1007/s002239900733