@book{26585,
	author = {Tʻien, C. C.},
	title = {... Crinoids from the Taiyuan series of north China.},
	publisher = {Geological Survey of China,},
	year = {1926.},
	series = {China. Geological Survey. Palæontologia sinica,},
	address = {Peking,},
	note = {Added t.-p. and summary in Chinese.}
}