@article {439,
	title = {Die Nacktschnecken der portugiesisch-azorischen Fauna in ihrem Verh{\"a}ltnis zu denen der pal{\"a}arktischen Region {\"u}berhaupt},
	journal = {Nova Acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum},
	volume = {56},
	year = {1891},
	pages = {201-424, Tab. IX-XVIII [= 9-18]},
	author = {Simroth, H}
}
@article {715,
	title = {Ueber bekannte und neue palaearktische Nacktschnecken},
	journal = {Jahrb{\"u}cher der Deutschen Malakozoologischen Gesellschaft},
	volume = {13},
	year = {1886},
	pages = {311-342, Taf. 10-11},
	author = {Simroth, H}
}
@article {55,
	title = {British slugs (Pulmonata: Testacellidae, Arionidae, Limacidae)},
	journal = {Bulletin of the British Museum (Natural History), Zoology},
	volume = {6},
	year = {1960},
	pages = {103-226},
	author = {Quick, HE}
}
@article {462,
	title = {Notes on the ecology of slugs: Arion circumscriptus, Deroceras reticulatum, and D. laeve},
	journal = {The American Midland Naturalist},
	volume = {61},
	year = {1959},
	pages = {485-498},
	author = {Getz, LL}
}
@article {866,
	title = {Experimental studies on slug-plant interactions: III. Differences in the acceptability of individual plants of Trifolium repens to slugs and snails},
	journal = {The Journal of Ecology},
	volume = {70},
	year = {1982},
	pages = {101-117},
	author = {Dirzo, R. and Harper, J.L.}
}
@article {217,
	title = {The recent Gastropoda of Oklahoma, part VIII. The slug families Limacidae, Arionidae, Veronicellidae, and Philomycidae.},
	journal = {Proceedings of the Oklahoma Academy of Science},
	volume = {60},
	year = {1980},
	pages = {29-35},
	author = {Branson, BA}
}
@book {42,
	title = {Land Snails of Britain and North-West Europe},
	year = {1979},
	publisher = {Harper Collins Publishers},
	organization = {Harper Collins Publishers},
	address = {Hong Kong},
	author = {Kerney, MP and Cameron, RAD}
}
@article {47,
	title = {Studies on food and feeding in some European land molluscs},
	journal = {Journal of Conchology},
	volume = {29},
	year = {1976},
	pages = {5-20},
	author = {Chatfield, JE}
}
@article {311,
	title = {Food of slugs in mixed deciduous woodlands},
	journal = {Oikos},
	volume = {26},
	year = {1975},
	pages = {211-221},
	author = {Jennings, TJ and Barkham, JP}
}
@book {870,
	title = {Die Landschnecken Nord- und Mitteleuropas},
	year = {1983},
	publisher = {Ein Bestimmungsbuch fur Biologen und Naturfreunde},
	organization = {Ein Bestimmungsbuch fur Biologen und Naturfreunde},
	address = {Berlin.},
	author = {Kerney, MP and Cameron, RAD and Jungbluth, J.H.}
}
@article {751,
	title = {The slugs of Bulgaria (Arionidae, Milacidae, Limacidae, Agriolimacidae - Gastropoda, Stylommatophora)},
	journal = {Annales Zoologici},
	volume = {37},
	year = {1983},
	pages = {71-205},
	author = {Wiktor, A}
}
@article {66,
	title = {Little known and new south-west European slugs (Pulmonata: Agriolimacidae, Arionidae)},
	journal = {Zoologische Mededelingen},
	volume = {60},
	year = {1986},
	pages = {135-157},
	author = {DeWinter, AJ}
}
@book {745,
	title = {Gastropoda Pulmonata},
	series = {Checklist delle specie della fauna italiana},
	year = {1995},
	pages = {1-60},
	publisher = {Calderini},
	organization = {Calderini},
	address = {Bologna, Italy},
	author = {Manganelli, G and Bodon, M and Favilli, L and Giusti, F},
	editor = {A Minelli and S Ruffo and S La Posta}
}
@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 {40,
	title = {Stylommatophoran slugs of China (Gastropoda: Pulmonata) {\textendash} Prodromus},
	journal = {Folia Malacologia},
	volume = {8},
	year = {2000},
	pages = {3-35},
	author = {Wiktor, A and Chen, DN and Wu, M}
}
@article {103,
	title = {Stylommatophoran slugs of China (Gastropoda: Pulmonata) {\textendash} Prodromus},
	journal = {Folia Malacologia},
	volume = {8},
	year = {2000},
	pages = {3{\textendash}35},
	chapter = {1},
	author = {Wiktor, A and Chen, DN and Wu, M}
}
@article {744,
	title = {Fauna Europaea},
	year = {2008},
	url = {www.faunaeur.org}
}
@book {67,
	title = {Land Snails and Slugs of Russia and Adjacent Countries},
	year = {2009},
	publisher = {Pensoft},
	organization = {Pensoft},
	address = {Sofia},
	author = {Sysoev, A and Schileyko, A}
}
@book {128,
	title = {The Introduced Terrestrial Mollusca of South Africa},
	series = {SANBI Biodiversity Series},
	volume = {15},
	year = {2010},
	author = {Herbert, DG}
}
