TY  - BOOK
AU  - Boers,H.
AU  - Bosch,M.
TI  - The earth as a holiday resort: An introduction to tourism and the environment 
SN  - 907314809X
U1  - 338.4791 23
PY  - 1994///
CY  - Utrecht
PB  - S.M.E./Institute for Environmental Communication
KW  - Tourism
KW  - Environmental aspects
KW  - Ecotourism
KW  - Ecoturismo
N1  - Incluye referencias bibliográfica  (p. 131-134) e índice
ER  -