TY - BOOK AU - Chao,Ya-tsʻêng TI - Carboniferous and Permian spiriferids of China, AV - QE756.C6 A3 ser. B, vol. 11, fasc. 1 PY - 1929/// CY - Peiping (Peking) PB - Geological survey of China KW - Spiriferida KW - Paleontology KW - China KW - Paleozoic N1 - Added t.-p. and summary in Chinese. Summary paged with Chinese numerals; Errata slip inserted; Bibliographical foot-notes ER -