@book{27074,
	author = {Chi, Yungshen Shiaoching,},
	title = {Lower Carboniferous syringoporas of China.},
	publisher = {Geological survey of China,},
	year = {1933.},
	address = {Peiping,},
	note = {Added t.-p. and summary in Chinese. Summary paged with Chinese numerals.}
}