TY  - GEN
AU  - Martin,Ronald
AU  - 
ED  - 
ED  - 
ED  - 
TI  - Earth's evolving systems : the history of planet earth
SN  - 9780763780012
U1  - 551.7 
PY  - 2012///
CY  - Sudbury
PB  - Jones & Bartlett
KW  - 
KW  - Environmental Science
ER  -