Nweeia, Martin T., Eichmiller, Frederick C., Hauschka, Peter V., Donahue, Gretchen A., Orr, Jack R., Ferguson, Steven H., Watt, Cortney A., Mead, James G., Potter, Charles W., Dietz, Rune, Giuseppetti, Anthony A., Black, Sandie R., Trachtenberg, Alexander J., and Kuo, Winston P. 2014. "Sensory ability in the narwhal tooth organ system."
Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology. 297 (4):599–617.
https://doi.org/10.1002/ar.22886