@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 {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 {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 {223,
	title = {Colored Illustrations of the Land Snails of Japan},
	year = {1982},
	publisher = {Hoikusha Publishing Co., Inc.},
	organization = {Hoikusha Publishing Co., Inc.},
	address = {Osaka},
	author = {Azuma, M}
}
@article {341,
	title = {The comparative ecology of four sympatric limacid slug species in Northern Ireland.},
	journal = {Malacologia},
	volume = {28},
	year = {1988},
	pages = {131-146},
	author = {Cook, A and Radford, DJ}
}
@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}
}
@article {45,
	title = {A review of slugs and semi-slugs of Tunisia (Testacellidae, Milacidae and Limacidae)},
	journal = {Journal of Conchology},
	volume = {40},
	year = {2010},
	pages = {219-231},
	author = {Abbes, I and Liberto, F and Castillejo, J and Nouira, S}
}
