TY  - BOOK
AU  - Krebs,Robert E.
TI  - The Basics of Earth Science
T2  - Basic of the Hard Science
SN  - 0313319308
U1  - 550 
PY  - 2007///
CY  - New Delhi: 
PB  - Atlantic Publishers & Distributors, 
KW  - Atmosphere
KW  - Earth Science
KW  - Hydrosphere
ER  -