@article {7752,
	title = {An electron microscope study of the formation of the periostracum of <i>Pinctada martensii</i>},
	journal = {Journal of Electron Microscopy},
	volume = {17},
	number = {3},
	year = {1968},
	pages = {275},
	keywords = {anatomy, bivalvia, microstructure, mollusca, periostracum, pinctada, pinctada martensii, pteriidae, pterioida, pterioidea},
	author = {Wada, K.}
}
@article {1656,
	title = {An electron microscope study of the formation of the periostracum of Pinctada martensii},
	journal = {Journal of Electron Microscopy},
	volume = {17},
	number = {3},
	year = {1968},
	pages = {275},
	keywords = {anatomy, bivalvia, microstructure, mollusca, periostracum, pinctada, pinctada martensii, pteriidae, pterioida, pterioidea},
	author = {Wada, K.}
}
