TY  - BOOK
AU  - Cooper,Gustav Arthur 1902-
AU  - Grant,Richard E.
TI  - Permian brachiopods of West Texas
PY  - 1977///
CY  - Washington
PB  - Smithsonian Institution Press
KW  - Brachiopoda, Fossil
KW  - Palaeontology
KW  - Permian
KW  - Paleontology
KW  - Texast
N1  - Includes bibliographies
ER  -