@book {438,
	title = {Description des mollusques terrestres et fluviatiles de Portugal},
	year = {1845},
	address = {Paris},
	author = {Morelet, A}
}
@article {56,
	title = {Key to the identification of the slugs (Gastropoda: Pulmonata) of Portugal},
	journal = {Journal of Conchology},
	volume = {34},
	year = {1993},
	pages = {377-392},
	author = {Rodriguez, T and Hermida, J}
}
@article {129,
	title = {Key to the identification of the slugs (Gastropoda: Pulmonata) of Portugal},
	journal = {Journal of Conchology},
	volume = {34},
	year = {1993},
	pages = {377-392},
	author = {Rodriguez, T and Hermida, J}
}
@article {744,
	title = {Fauna Europaea},
	year = {2008},
	url = {www.faunaeur.org}
}
@article {460,
	title = {Arion fuligineus Morelet, 1845},
	year = {2009},
	month = {20-02-2009},
	url = {http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=3756},
	author = {F. Welter Schultes}
}
