Ordovician and Silurian graptolites from China,
Sun, Yün-chu, 1897-
Ordovician and Silurian graptolites from China, by Y.C. Sun ... - Peiping (Peking) Geological Survey of China, 1933. - 69, [1] p.; 1 p. l., 5 p. VII pl. 29 cm.
Added t.-p. and summary in Chinese. Summary paged with Chinese numerals.
Bibliography: p. 52.
gs 38000168
Graptolites.
Paleontology--China.
Paleontology--Ordovician.
Paleontology--Silurian.
QE756.C6 / A3 ser. B, vol. 14, fasc. 1
563.7
Ordovician and Silurian graptolites from China, by Y.C. Sun ... - Peiping (Peking) Geological Survey of China, 1933. - 69, [1] p.; 1 p. l., 5 p. VII pl. 29 cm.
Added t.-p. and summary in Chinese. Summary paged with Chinese numerals.
Bibliography: p. 52.
gs 38000168
Graptolites.
Paleontology--China.
Paleontology--Ordovician.
Paleontology--Silurian.
QE756.C6 / A3 ser. B, vol. 14, fasc. 1
563.7