TY  - BOOK
AU  - Gabler, Robert E.
AU  - Sager, Robert J.
AU  - Wise, Daniel L.
AU  - Petersen, James F.
TI  - Essentials of physical geography
SN  - 003022909X
AV  - GB 54.5 .E33 1999 
PY  - 1999///
CY  - Fort Worth
PB  - Saunders college publishing company
KW  - Physical geography
ER  -