TY  - BOOK
AU  - Ceballos-Lascurian, Hector
TI  - Tourism ecotourism and protected areas
SN  - 2 831701244
U1  - 333.78 21st ed.
PY  - 1996///
CY  - Cambridge
PB  - IUCN
KW  - Ecotourism
KW  - Travel - environment
KW  - Wilderness areas
ER  -