TY  - RPRT
AU  - United Nations Environment Programme
AU  - International Ecotourism Society
PY  - 2007
SN  - 978-92-807-2813-2
UR  - https://wedocs.unep.org/handle/20.500.11822/9147
LA  - English
TI  - Tourism in the Polar Regions: The Sustainability Challenge
M3  - Technical report
ER  -