Carboniferous and Permian spiriferids of China,
Chao, Ya-tsʻêng, -1929.
Carboniferous and Permian spiriferids of China, By Ya-tseng T. Chao. - Peiping (Peking) Geological survey of China, 1929. - 133 p.; 1 p. l., 6 p. incl. illus., tables. XI pl. 30 cm.
Added t.-p. and summary in Chinese. Summary paged with Chinese numerals. Errata slip inserted.
Bibliographical foot-notes.
gs 29000314
Spiriferida.
Paleontology--China.
Paleontology--Paleozoic.
QE756.C6 / A3 ser. B, vol. 11, fasc. 1
Carboniferous and Permian spiriferids of China, By Ya-tseng T. Chao. - Peiping (Peking) Geological survey of China, 1929. - 133 p.; 1 p. l., 6 p. incl. illus., tables. XI pl. 30 cm.
Added t.-p. and summary in Chinese. Summary paged with Chinese numerals. Errata slip inserted.
Bibliographical foot-notes.
gs 29000314
Spiriferida.
Paleontology--China.
Paleontology--Paleozoic.
QE756.C6 / A3 ser. B, vol. 11, fasc. 1