TY  - BOOK
AU  - Hallam, A. (Anthony)
TI  - Catastrophes and lesser calamities: the causes of mass extinctions
SN  - 9780192806680
U1  - 576.84 HAL 
PY  - 2004///
CY  - Oxford
PB  - Oxford University Press
KW  - Catastrophes (Geology)
KW  - Extinction (Biology)
N1  - Includes bibliographical references (p. 253-259) and index
ER  -