@article {48,
	title = {The terrestrial slugs of northeastern North America},
	journal = {Sterkiana},
	volume = {51},
	year = {1973},
	pages = {11-42},
	author = {Chichester, LF and Getz, LL}
}
@article {141,
	title = {The zoogeography and ecology of arionid and limacid slugs introduced into Northeastern North America},
	journal = {Malacologia},
	volume = {7},
	year = {1969},
	pages = {313-346},
	author = {Chichester, LF and Getz, LL}
}
@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}
}
@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}
}
@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 {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}
}
@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}
}
