@book {53,
	title = {Handbuch der systematischen Weichtierkunde},
	series = {Handbuch der systematischen Weichtierkunde},
	volume = {1},
	year = {1929},
	pages = {i-vi + 1-376},
	publisher = {Gustav Fischer},
	organization = {Gustav Fischer},
	address = {Jena},
	author = {Thiele, J.}
}
