TY  - RPRT
AU  - United Nations Environment Programme
PY  - 1999
SN  - 9280716689
UR  - https://wedocs.unep.org/handle/20.500.11822/8336
LA  - English
A3  - United Nations Environment Programme
TI  - How the hotel and tourism industry can protect the ozone layer
M3  - Technical report
ER  -