@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}
}
@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}
}
@book {151,
	title = {Land Snails of the Land of Israel: Natural History and a Field Guide},
	year = {2009},
	publisher = {Pensoft},
	organization = {Pensoft},
	address = {Sofia, Moscow},
	author = {Heller, J}
}
@book {128,
	title = {The Introduced Terrestrial Mollusca of South Africa},
	series = {SANBI Biodiversity Series},
	volume = {15},
	year = {2010},
	author = {Herbert, DG}
}
