@book {240,
	title = {The Slug Fauna of the USSR and Adjacent Countries (Gastropoda Terrestria Nuda)},
	series = {Fauna SSSR, Molljuskii},
	volume = {3},
	number = {122},
	year = {1980},
	pages = {437},
	publisher = {Akademii Nauk SSSR, Zoologicheskii Institut},
	organization = {Akademii Nauk SSSR, Zoologicheskii Institut},
	address = {Leningrad},
	author = {Likharev, IM and Wiktor, A}
}
@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 {68,
	title = {Turkish Land Snails},
	year = {2010},
	publisher = {Verlag Natur \& Wissenschaft},
	organization = {Verlag Natur \& Wissenschaft},
	edition = {5th},
	address = {Solingen},
	author = {Sch{\"u}tt, H}
}
