@article {6656,
	title = {Cultured pearls from the Gulf of California, Mexico},
	journal = {Gems \& Gemology},
	volume = {40},
	number = {1},
	year = {2004},
	pages = {26-38},
	keywords = {bivalvia, microstructure, mollusca, pearliculture, pearls, Pteria, pteria sterna, pteriidae, pterioida, pterioidea},
	author = {Kiefert, Lore and McLaurin Moreno, Douglas and Arizmendi, Enrique and H{\"a}nni, Henry A. and Elen, Shane}
}
@article {1295,
	title = {Cultured pearls from the Gulf of California, Mexico},
	journal = {Gems \& Gemology},
	volume = {40},
	number = {1},
	year = {2004},
	pages = {26-38},
	keywords = {bivalvia, microstructure, perliculture, mollusca, pearls, Pteria, pteria sterna, pteriidae, pterioida, pterioidea},
	author = {Kiefert, Lore and McLaurin Moreno, Douglas and Arizmendi, Enrique and H{\"a}nni, Henry A. and Elen, Shane}
}
