TY  - BOOK
AU  - Hill,Jennifer
AU  - Gale,Tim
TI  - Ecotourism and environmental sustainability: principles and practice 
SN  - 075467262X
AV  - G156.5.E26 E353 2009
U1  - 910.41 
PY  - 2009///]
CY  - Farnham, England, Burlington, VT
PB  - Ashgate
KW  - Ecotourism
KW  - Environmental aspects
N1  - Includes bibliographical references and index
ER  -