S. K.  Wada and Wada, R., ?On a new pearl oyster from the Pacific coast of Japan, with special reference to the cross-fertilization with another pearl oyster, Pinctada martensii (Dunker)?, Journal of the Oceanographical Society of Japan, vol. 8, pp. 127-138, 1953.

S. K.  Wada and Wada, R., ?On a new pearl oyster from the Pacific coast of Japan, with special reference to the cross-fertilization with another pearl oyster, Pinctada martensii (Dunker)?, Journal of the Oceanographical Society of Japan, vol. 8, pp. 127-138, 1953.