1. Ameye, L., Hermann, R., and Dubois, Ph., Ultrastructure of Sea Urchin Calcified Tissues after high-pressure freezing and freeze substitution, J. Struct. Biol., 2000, vol. 131, no. 2, pp. 116–125. http://dx.doi.org/doi10.1006/jsbi.2000.4278
2. Ameye, L., De Becker, G., Killian, Ch., Wilt, F., Kemps, R., Kuypers, S., and Dubois, Ph., Proteins and saccharides of the sea urchin organic matrix of mineralization: characterization and localization in the spine skeleton, J. Struct. Biol., 2001, vol. 134, no. 1, pp. 56–66.
3. Balakirev, E.S., Pavlyuchkov, V.A., and Ayala, F.J., DNA variation and symbiotic associations in phenotypically diverse sea urchin Strongylocentrotus intermedius, Proc. Natl. Acad. Sci. U. S. A., 2008, vol. 105, no. 42, pp. 16218–16223.
4. Baranova, Z.I., Echinoderms of the Bering Sea, in Issledovaniya dal’nevostochnykh morei SSSR (Research of Far Eastern Seas of the USSR), Moscow: AN SSSR, 1957, issue 4, pp. 149–266.
5. Bazhin, A.G. and Stepanov, V.G., Morskie ezhi semeistva Strongylocentrotidae morei Rossii (Sea Urchins of the Family Strongylocentrotidae of the Seas of Russia), Petropavlovsk- Kamchatskii: KamchatNIRO, 2012.