@article {7749,
	title = {Laminary structures of cultured pearls observed with electron microscope - I. Nacreous layer pearl},
	journal = {Bulletin of the Japanese Society of Scientific Fisheries},
	volume = {23},
	number = {6},
	year = {1957},
	pages = {302-305},
	keywords = {bivalvia, microstructure, mineralogy, nacre, pearliculture, pearls, periostracum, pinctada, pinctada martensii},
	author = {Wada, Kozi}
}
@article {7750,
	title = {The crystalline structure on the nacre of pearl oyster shell},
	journal = {Bulletin of the Japanese Society of Scientific Fisheries},
	volume = {24},
	number = {6-7},
	year = {1958},
	pages = {422-427},
	keywords = {bivalvia, microstructure, mollusca, nacre, pinctada, pinctada martensii, pteriidae, pterioida, pterioidea},
	author = {Wada, Kozi}
}
@article {1653,
	title = {Laminary structures of cultured pearls observed with electron microscope - I. Nacreous layer pearl},
	journal = {Bulletin of the Japanese Society of Scientific Fisheries},
	volume = {23},
	number = {6},
	year = {1957},
	pages = {302-305},
	keywords = {bivalvia, microstructure, mineralogy, nacre, pearliculture, pearls, periostracum, pinctada, pinctada martensii},
	author = {Wada, Kozi}
}
@article {1654,
	title = {The crystalline structure on the nacre of pearl oyster shell},
	journal = {Bulletin of the Japanese Society of Scientific Fisheries},
	volume = {24},
	number = {6-7},
	year = {1958},
	pages = {422-427},
	keywords = {bivalvia, microstructure, mollusca, nacre, pinctada, pinctada martensii, pteriidae, pterioida, pterioidea},
	author = {Wada, Kozi}
}
