TY  - BOOK
AU  - Hammitt,William E.
TI  - Wildland recreation: ecology and management
SN  - 0471872911
PY  - 1987///
CY  - New York
PB  - John Wiley & Sons
KW  - Wilderness areas
KW  - United States
KW  - Recreational use
KW  - Management
KW  - Environmental aspects
ER  -