1. I. S. Arzamastsev and B. V. Preobrazhenskii, Atlas of Submerged Relief of the Sea of Japan (Nauka, Moscow, 1990) [in Russian].
2. A. G. Bazhin and D. M. Lourens, “Analysis of the types of life strategies of sea urchins as a method for assessment of their possible use in aquaculture,” Sb. Nauchn. Tr. Kamchat. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr., No. 17, 73–86 (2010).
3. A. G. Bazhin and V. G. Stepanov, Sea Urchins of Family Strongylocentrotidae from Russian Seas (Kamchatka Scientific Research Institute of Fisheries and Oceanography, Petropavlovsk-Kamchatskiy, 2012) [in Russian].
4. E. I. Blinova, O.Yu. Vilkova, D. M. Milyutin, and O. A. Pronina, Guide for Registration of Resources of Commercial Species of Hydrobionts in the Coastal Zone (VNIRO, Moscow, 2003) [in Russian].
5. E. E. Borisovets, Yu. E. Bregman, G. I. Viktorovskaya, and M. V. Kalinina, “Biology of the sea urchin Strongylocentrotus intermedius (A. Agassiz) at the northwestern coast of the Sea of Japan. Part 1: Distribution and size composition,” Izv. Tikhookean. Nauchno-Issled. Inst. Rybn. Khoz. Okeanogr. 127, 416–439 (2000).