TY  - BOOK
T1  - Evolution of the earth
DA  - [1971]
CY  - New York,
AU  - Dott, Robert H.,
AU  - Batten, Roger Lyman,
CN  - QE33
CN  - QE33
PB  - McGraw-Hill
PP  - New York,
PY  - [1971]
ID  - 54203
KW  - Historical geology.
KW  - Historical geography.
SN  - 0070176175
TI  - Evolution of the earth
ER  -