@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 {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}
}
