@article {6100,
	title = {Pearls and pearl fisheries},
	journal = {The American Naturalist},
	volume = {17},
	number = {7},
	year = {1883},
	note = {PDF},
	month = {July},
	pages = {731-745},
	keywords = {bivalvia, mollusca, pearliculture, pinctada, pteriidae, pterioidea, taxonomy},
	author = {Dall, W. H.}
}
