@book {730,
	title = {International Code of Zoological Nomenclature},
	year = {1999},
	pages = {xxix + 306 pp},
	publisher = {International Trust for Zoological Nomenclature},
	organization = {International Trust for Zoological Nomenclature},
	edition = {Fourth},
	address = {London},
	author = {{International Commission on Zoological Nomenclature}}
}
@article {731,
	title = {Pila R{\"o}ding, 1798 and Pomacea Perry, 1810 (Mollusca, Gastropoda): placed on the Official List, and AMPULLARIIDAE Gray, 1824: confirmed as the nomenclaturally valid synonym of PILIDAE Preston, 1915},
	journal = {Bulletin of Zoological Nomenclature},
	volume = {56},
	year = {1999},
	pages = {74-76},
	author = {{International Commission on Zoological Nomenclature}}
}
