TY  - BOOK
AU  - Plummer,, Charles C
AU  - Carlson,, Diane H
TI  - Physical Geology / 
SN  - 978-0-07-282692-0
U1  - R 550 
PY  - 2007///
CY  - New York
PB  - Mc Graw Hill
KW  -  Physical Geology
ER  -