Ordovician fossils of north China
By: by Amadeus W. Grabau, with plates I-IX and 20 text figures.
Publisher: Published by the Geological Survey of China
Published: 1922
Place of publication: Peking
Language: eng
Number of pages: 127
Subjects: Paleontology -- China; Paleontology -- Ordovician
Notes: Bibliography: p. 96-98.