@article {784,
	title = {Observations on the morphology of Pomacea lineata (Spix, 1827) (Mollusca, Ampullariidae)},
	journal = {Mem{\'o}rias do Instituto Oswaldo Cruz},
	volume = {82},
	year = {1987},
	pages = {563-570},
	author = {Thiengo, Silvana C}
}
