TY  - BOOK
AU  - Christopherson, W. Robert
TI  - Geosystems: An introduction to physical geography 
SN  - 0131441965
AV  - GB54.5  .C48  2005 
PY  - 2005///
CY  - Toronto
PB  - Prentice Hall
KW  - Geosystems
N1  - Includes index
ER  -