TY  - BOOK
AU  - Tarbuck, Edward J  .
TI  - Earth: an introduction to physical geology / 
SN  - 0-675-20051-2
U1  - U2 
PY  - 1984///
CY  - Columbus : 
PB  - Charles E. Merrill Publishing Company , 
KW  - Physical Geology
ER  -