TY  - BOOK
AU  - Courtillot, Vincent
AU  - Courtillot,Vincent
TI  - Evolutionary Catastrophes:  the Science of Mass Extinction
SN  - 0521891183   
U1  - Q41 
PY  - 2002///
CY  - New York
PB  - Cambridge University
N1  - includes index and biblioraphy
ER  -