J.  Sagara and Takemura, Y., ?Studies on the age determination of the silver-lip pearl oyster, Pinctada maxima (Jameson) ?, Bulletin of Tokai Regional Fisheries Ressearch Laboratory, vol. 27, pp. 7-14, 1960.

J.  Sagara and Takemura, Y., ?Studies on the age determination of the silver-lip pearl oyster, Pinctada maxima (Jameson) ?, Bulletin of Tokai Regional Fisheries Ressearch Laboratory, vol. 27, pp. 7-14, 1960.