K.  Wada, ?An electron microscope study of the formation of the periostracum of Pinctada martensii?, Journal of Electron Microscopy, vol. 17, p. 275, 1968.

K.  Wada, ?An electron microscope study of the formation of the periostracum of Pinctada martensii?, Journal of Electron Microscopy, vol. 17, p. 275, 1968.