TY  - BOOK
AU  - Benton,M.J.
TI  - When life nearly died: the greatest mass extinction of all time 
SN  - 050005116X
AV  - QE721.2.E97 B46 2003
U1  - 576.8/4 22
PY  - 2003///
CY  - New York
PB  - Thames & Hudson
KW  - Extinction (Biology)
KW  - History
KW  - Catastrophes (Geology)
KW  - Geology, Stratigraphic
KW  - Permian
N1  - Includes bibliographical references (p. 318-328) and index
ER  -