@book {302,
	title = {Economic Fauna Sinica of China: Terrestrial Molluscs},
	year = {1987},
	publisher = {Science Press},
	organization = {Science Press},
	address = {Beijing},
	author = {Chen, DN and Gao, JX}
}
@article {750,
	title = {Milacidae (Gastropoda, Pulmonata) - systematic monograph},
	journal = {Annales Zoologici},
	volume = {41},
	year = {1987},
	pages = {153-319},
	author = {Wiktor, A}
}
