TY  - BOOK
AU  - Grotzinger,John
TI  - Understanding earth
SN  - 9780716766827   
U1  - 550 G917U5 
PY  - 2007///
CY  - New York
PB  - W. H. Freeman and Company
KW  - Earth and Planets
KW  - Surficial geosystem
KW  - Sedimentation
ER  -