@book{26635,
	author = {Chao, Ya-tsʻêng,},
	title = {Fauna of the Taiyuan formation of north China,--Pelecypoda.},
	publisher = {Geological survey of China,},
	year = {1927.},
	address = {Peking,},
	note = {Added t.-p. and summary in Chinese. Summary paged with Chinese numerals.}
}