@article {723,
	title = {Catalog and bibliography of the nonindigenous nonmarine snails and slugs of the Hawaiian Islands},
	journal = {Bishop Museum Occasional Papers},
	volume = {50},
	year = {1997},
	pages = {1-66},
	author = {Cowie, Robert H}
}
@book {628,
	title = {Karl Eduard von Martens (1831{\textendash}1904): his life and works},
	year = {1997},
	pages = {vii + 417 pp.},
	publisher = {Harvard University},
	organization = {Harvard University},
	edition = {Museum of},
	address = {Cambridge},
	author = {Kabat, A. R. and Boss, K.J.}
}
@article {722,
	title = {Pila R{\"o}ding, 1798 and Pomacea Perry, 1810 (Mollusca, Gastropoda): proposed placement on the Official List, and Ampullariidae Gray, 1824: proposed confirmation as the nomenclaturally valid synonym of Pilidae Preston, 1915},
	journal = {Bulletin of Zoological Nomenclature},
	volume = {54},
	year = {1997},
	pages = {83-88},
	author = {Cowie, Robert H}
}
@article {781,
	title = {Pomacea canaliculata (Lamarck, 1822) (Gastropoda, Prosobranchia, Pilidae): a freshwater snail introduced to Florida, U.S.A.},
	journal = {Malacological Review},
	volume = {30},
	year = {1997},
	pages = {91},
	author = {Thompson, F. G.}
}
@article {744,
	title = {Towards a phylogeny of gastropod molluscs: an analysis using morphological characters},
	journal = {Zoological Journal of the Linnean Society},
	volume = {119},
	year = {1997},
	pages = {83-265},
	author = {Ponder, W. F. and Lindberg, D. R.}
}
@article {685,
	title = {William Benson and the early study of land snails in British India and Ceylon},
	journal = {Archives of Natural History},
	volume = {24},
	year = {1997},
	pages = {37-88},
	author = {Naggs, F.}
}
@article {686,
	title = {William Benson and the early study of land snails in British India and Ceylon},
	journal = {Archives of Natural History},
	volume = {56},
	year = {1997},
	pages = {603-606},
	author = {Naggs, F.}
}
@article {VILLENAM.M.T.APARICIO1997,
	title = {{Los {\textquotedblleft}ejemplares tipo{\textquotedblright} de las colecciones malacologicas del Museo Nacional de Ciencias Naturales}},
	journal = {Monograf\'{\i}as del Museo Nacional de Ciencias Naturales},
	volume = {2},
	number = {13},
	year = {1997},
	pages = {1{\textendash}170},
	author = {{VILLENA, M., M.T. APARICIO}, L. BARATECH and J. TEMPLADO}
}
