TY  - BOOK
AU  - Lindberg, Kreg.
AU  - Hawkins, Donald E.
TI  - Ecotorourism: a guide for planners and managers 
SN  - 0963633104
PY  - 1993///
CY  - North Benningto, Vermont
PB  - The Ecotourism Society , 
KW  - Ecotourism
ER  -