TY  - BOOK
AU  - 
TI  - The British Carboniferous Producti: II. Productus (sensu stricto); Semireticulatus and Longispinus groups 
T2  - Gt. Brit. Geological survey. Memoirs ... palæontology
AV  - QE797.P9 M8
PY  - 1928///
CY  - London
PB  - H.M. Stationery Off.
KW  - Paleontology
KW  - Carboniferous
KW  - Great Britain
KW  - Brachiopoda, Fossil
N1  - Issued December 22, 1928; List of works cited: p. 197-212
ER  -