TY  - BOOK
AU  - Cole, David N.
AU  - Petersen, Margaret E. : Lucas, Robert C.
TI  - Managing wilderness recreation use: common problems and potential solutions
T2  - General technical report INT-
U1  - 333.78 21st ed.
PY  - 1987///
CY  - United States
PB  - Intermountain Research Station
KW  - Lucas
KW  - Robert C
KW  - Recreation
KW  - Wilderness
KW  - Wilderness planning
ER  -