@book {7512,
	title = {A conchological manual},
	year = {1852},
	note = {xerox},
	publisher = {H. G. Bohn},
	organization = {H. G. Bohn},
	edition = {4},
	address = {London},
	keywords = {avicula, bakevelliidae, bivalvia, catillus, crenatula, gervillia, isognomon, isognomonidae, malleidae, malleus, margarita, meleagrina, mollusca, nacre, pearls, perna, pinctada, Pteria, pteriidae, pterioidea, pulvinites, pulvinitidae, reniella, taxonomy, vulsella},
	author = {Sowerby, G. B., Jr.}
}
@book {7186,
	title = {Handbuch der Conchyliologie und Malacozoologie},
	year = {1853},
	note = {Pterioidea: 368-373},
	pages = {547 [xx]},
	publisher = {Eduard Anton},
	organization = {Eduard Anton},
	address = {Halle},
	keywords = {avicula, bakevellidae, bivalvia, catillus, crenatula, gervillia, inoceramidae, inoceramus, isognomonidae, malleidae, malleus, meleagrina, melina, mollusca, myalina, pachymya, paleontology, pinctada, Pteria, pteriidae, pterinea, Pterineidae, pterioida, pterioidea, pulvinites, pulvinitidae, taxonomy, vulsella},
	author = {Philippi, R. A.}
}
@book {1484,
	title = {Handbuch der Conchyliologie und Malacozoologie},
	year = {1853},
	note = {Pterioidea: 368-373},
	pages = {547 [xx]},
	publisher = {Eduard Anton},
	organization = {Eduard Anton},
	address = {Halle},
	keywords = {avicula, bakevellidae, bivalvia, catillus, crenatula, gervillia, inoceramidae, isognomonidae, malleidae, malleus, meleagrina, melina, mollusca, pinctada, Pteria, pteriidae, pterinea, Pterineidae, pterioida, pterioidea, pulvinites, pulvinitidae, vulsella},
	author = {Philippi, R. A.}
}
