TY  - BOOK
AU  - Palmer, Trevor
TI  - Perilous planet earth : catastrophes and catastrophism through the ages
SN  - 9780521819282
SN  - 200203518
U1  - 551.397 PAL 
PY  - 2003///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Asteroids - Collisions with Earth
KW  - Catastrophes (Geology)
KW  - Evolution
N1  - Includes bibliographical references (p. 373-501) and index
ER  -