TY  - BOOK
AU  - Prothero,Donald R, Dott, Robert H.
AU  - x
TI  - Evolution of the earth: x
SN  - 9780072528084
U1  - 551.7/P967e 
PY  - 2004///
CY  - Boston
PB  - Mc Graw-Hill
KW  - Historical geology
KW  - Geology
ER  -