@book {6444,
	title = {Ipsa Linn{\ae}i conchylia. The shells of Linn{\ae}us, determined from his manuscripts and collection},
	year = {1855},
	note = {137-138 (Mytilus margaritiferus); 147 (Mytilus hirundo)2 p. ., 556 p. V col. pl. 23 cm.},
	pages = {556},
	publisher = {Williams and Norgate},
	organization = {Williams and Norgate},
	address = {London},
	keywords = {avicula, bivalvia, mollusca, pinctada, pinctada margaritifera, Pteria, pteria hirundo, pteriidae, pterioidea, taxonomy},
	author = {Hanley, Sylvanus}
}
@book {1214,
	title = {Ipsa Linn{\ae}i conchylia. The shells of Linn{\ae}us, determined from his manuscripts and collection},
	year = {1855},
	pages = {556},
	publisher = {Williams and Norgate},
	organization = {Williams and Norgate},
	address = {London},
	keywords = {avicula, bivalvia, mollusca, pinctada, pinctada margaritifera, Pteria, pteria hirundo, pteriidae, pterioidea, taxonomy},
	author = {Hanley, Sylvanus}
}
