@book{26743,
	author = {Yang, Chung-chien,},
	title = {... Fossile nagetiere aus Nord-China,},
	publisher = {Geological Survey of China,},
	year = {1927.},
	series = {China. Geological Survey. Pal.ontologia sinica, Ser. C,},
	address = {Peking,},
	note = {Printed in Sweden.}
}