Lower Ordovician graptolite-faunas of north China
By: by Y.C. Sun ...
Series: China. Geological Survey. Palæontologia sinica, ser. B -- vol. XIV, fasc. 2; Zhongguo gu sheng wu zhi -- vol. XIV, fasc. 2.
Publisher: Geological Survey of China
Published: 1935
Place of publication: Peiping (Peking)
Language: eng
Number of pages: 20
Subjects: Graptolites; Paleontology
Notes: Added t.p. and summary in Chinese. Summary paged with Chinese numerals.