TY  - BOOK
AU  - Christopherson,Robert W.
TI  - Geosystems: an introduction to physical geography 
SN  - 0131531174
AV  - GB 54.5 .C48 2006
U1  - 910/.02 22
PY  - 2006///
CY  - Upper Saddle River, N.J.
PB  - Pearson Prentice Hall
KW  - Physical geography
UR  - http://www.loc.gov/catdir/toc/ecip055/2004030652.html
ER  -