TY  - BOOK
AU  - Boucot,A.J.
TI  - Evolution and extinction rate controls
T2  - Developments in palaeontology and stratigraphy
SN  - 0444411828
PY  - 1975///
CY  - Amsterdam
PB  - Elsevier Science
KW  - Brachiopoda, Fossil
KW  - Evolution
KW  - Invertebrates, Fossil
ER  -